Meanings
reef1
plural reefs · alternative riff
- A chain or range of rocks, sand, or coral lying at or near the surface of the water.
- AustraliaSouth AfricaA large vein of auriferous quartz; hence, any body of rock yielding valuable ore.
reef2
plural reefs
- nauticalA portion of a sail rolled and tied down to lessen the area exposed in a high wind.
They sailed as if they were stark mad; they never took in a reef in the sail, and when the seas filled the boat, they sailed her up on the back of a wave till she stood nearly on end, the water rushing out over her stern as out of a spout.
1886, Peter Christen Asbjørnsen, translated by H.L. Brækstad, Folk and Fairy Tales, page 49 - A reef knot.
present singular third person reefs · participle present reefing · participle past reefed · past reefed
- nauticalTo take in part of a sail in order to adapt the size of the sail to the force of the wind.
1970 July–December, Margaret Quilty, Roller Reefing Made Easy, Boating, page 63, Be sure the blocks are securely mounted—they carry a fairish load when the sail is reefed. If both reefing line and main halyard are led to the cockpit, even singlehanded reefing is a breeze.
3 more examples
"When the day arrived that the boy was to be skipper, the weather was calm and fine, but he called all men to reef sails, so the ship had scarcely any sail on her."
1886, Peter Christen Asbjørnsen, translated by H.L. Brækstad, Folk and Fairy Tales, page 188Mains are made smaller by reefing. This can be done by rolling up the sail around the boom, or by the more traditional method of tying down a panel along the foot.
1995, David Seidman, The Complete Sailor: Learning the Art of Sailing, page 104The reefing system for a mainsail must be designed to operate efficiently under adverse conditions and to provide proper sail shape when reefed.
2004, Charlie Wing, How Boat Things Work, page 108 - AustraliaTo pull or yank strongly, especially in relation to horse riding.
He reefed on the handbrake and sat smoking his cigarette, gazing out through the windscreen at the driveway.
2002, Alex Miller, Journey to the Stone Country, Allen & Unwin, published 2003, page 763 more examples
And when the Cup came on he stirred them up ′round the barrier and he flew out of the barrier and he pulled and reefed and pulled and reefed and Lewis didn′t let him settle down until about three furlongs from home and when he did settle the horse was all out of stride and he went back through the field a fair bit.
1986, Jan Wositzky, Me and Phar Lap: The Remarkable Life of Tommy Woodcock, published 2011, page 49Alf told me that one young white stockman, eager to impress the girls, went outside and mounted his horse, then began showing off his prowess, racing past the pub, wheeling and reefing his horse up and down the street, yackeyeing and whooping, flogging his horse with a battered old hat and always turning towards the pub to see if the girls were watching these feats of horsemanship.
1994, Herb Wharton, Cattle Camp: Murrie Drovers and Their Stories, published 2010, page 73[…]head stockman would say ‘Cut one out but take him at a walk.′ And if you could get that beast out without reefing your horse around, the head stockman – he′d be a pretty cluey old coot - he′s watching that horse′s ears more than what you were doing.
2007, Marion Houldsworth, Maybe It′ll Rain Tomorrow, published 2012, page 104 - nauticalTo move the floats of a paddle wheel toward its center so that they will not dip so deeply.
Reef the paddles.
- slangTo manipulate the lining of a person's pocket in order to steal the contents unnoticed.
This was done by "reefing." He put two fingers just inside the opening and lifted the lining a trifle. Although I watched his hands, I could feel nothing, so gently did his fingers work. Reefing a couple of times, he lifted my handkerchief, as he might have taken out anything else.
Myron M. Stearns, So You Lost Your Pocketbook?, in 1940, The Rotarian (volume 56, number 2, page 39)
reef3
comparative reefer · comparative more reef · superlative reefest · superlative most reef · alternative reif · alternative rief
plural reefs · alternative reif · alternative rief
- Now chiefly dialectalDandruff.
Reef4
Synonyms & antonyms
Origin
reef · noun
- Proto-Indo-European*h₁rebʰ-“arch, ceiling, cover”
- Proto-Germanic*ribją“rib, reef”
- Old Norserif“rib, reef”
- Middle Englishrif
- Englishreef
From earlier riff, from Middle English rif, from Old Norse rif (“rib, reef”), from Proto-Germanic *ribją (“rib, reef”), from Proto-Indo-European *h₁rebʰ- (“arch, ceiling, cover”). Dutch rif (“reef”), Low German riff, reff (“reef”), German Riff (“reef, ledge”) are also borrowed from Old Norse. Doublet of rib.
More words from Middle English, Old Norse, Proto-Germanic
Full word history & related roots →reef · noun, verb
- Middle Low Germanref
- Middle Dutchrif
- Old Norserif
- Middle Englishreef
- Englishreef
From Middle English reef, from Old Norse rif, Middle Dutch rif, rēve, and/or Middle Low German ref. Possibly a figurative use of the word for “rib” in etymology 1 above, in which case all forms must, again, be borrowings from Old Norse. Alternatively it may be a different word related to Old English rift (“curtain, veil”), ārāfian (“to uncoil, wind off”).
More words from Middle English, Old Norse, Middle Dutch
Full word history & related roots →reef · adjective, noun
- Proto-Indo-European*kreup-“scab, crust”
- Proto-Germanic*hreubaz“rough, scabby, scrubby”
- Old Englishhrēof“rough, scabby, leprous", also "a leper”
- Middle Englishref
- Englishreef
From Middle English ref, hreof, from Old English hrēof (“rough, scabby, leprous", also "a leper”), from Proto-Germanic *hreubaz (“rough, scabby, scrubby”), from Proto-Indo-European *kreup- (“scab, crust”), related to Old English hrēofla (“leprosy, leper”). Cognate with Scots reif (“a skin disease leaving crusts on the skin, the scab”), Old High German riob (“leprous, scabby, mangy”), Icelandic hrjúfur (“scabby, rough”). Compare riffe, dandruff.
More words from Middle English, Old English, Proto-Germanic
Full word history & related roots →Reef · proper noun
- Proto-West Germanic*hrif
- GermanReef
- EnglishReef
Borrowed from North German Reef, possibly related to Reep (“rope”), or otherwise from obsolete rif (“body”) (from Proto-West Germanic *hrif).
More words from German, Proto-West Germanic
Full word history & related roots →Translations
Afrikaans rif, rif
- rifrocks at or near surface of the water
- riflarge vein of auriferous quartz
- rifarrangement to reduce the area of a sail
Ancient Greek σπιλάς, σπίλος
- σπιλάς (spilás)rocks at or near surface of the water
- σπίλος (spílos)rocks at or near surface of the water
- ἕρμα (hérma)rocks at or near surface of the water
Arabic شَعَاب
- شَعَاب (šaʕāb)rocks at or near surface of the water
Bulgarian риф, златоносна жила
- риф (rif)rocks at or near surface of the water
- златоносна жила (zlatonosna žila)large vein of auriferous quartz
- риф (rif)arrangement to reduce the area of a sail
- зарифявам (zarifjavam)sailing
Catalan escull, ris
- escullrocks at or near surface of the water
- risarrangement to reduce the area of a sail
- rissarsailing
Chinese Mandarin 礁, 暗礁
- 礁 (jiāo)rocks at or near surface of the water
- 暗礁 (ànjiāo)rocks at or near surface of the water
Czech útes, zlatá žíla
- útesrocks at or near surface of the water
- zlatá žílalarge vein of auriferous quartz
- podkasat plachtusailing
Dutch rif, rif
- rifrocks at or near surface of the water
- rifarrangement to reduce the area of a sail
- reffensailing
Esperanto rifo
- riforocks at or near surface of the water
Estonian riff
- riffrocks at or near surface of the water
Finnish riutta, karikko
- riuttarocks at or near surface of the water
- karikkorocks at or near surface of the water
- särkkärocks at or near surface of the water
- reiviarrangement to reduce the area of a sail
- reivatasailing
French écueil, récif
- écueilrocks at or near surface of the water
- récifrocks at or near surface of the water
- filonlarge vein of auriferous quartz
- risarrangement to reduce the area of a sail
- prendre un rissailing
- arrisersailing
German Riff, Felsenriff
- Riffrocks at or near surface of the water
- Felsenriffrocks at or near surface of the water
- reffensailing
Greek ύφαλος, ξέρα
- ύφαλος (ýfalos)rocks at or near surface of the water
- ξέρα (xéra)rocks at or near surface of the water
- ξέρη (xéri)rocks at or near surface of the water
- σκόπελος (skópelos)rocks at or near surface of the water
Hebrew שׁוּנִית
- שׁוּנִיתrocks at or near surface of the water
Hungarian zátony, ér
- zátonyrocks at or near surface of the water
- érlarge vein of auriferous quartz
- aranyérlarge vein of auriferous quartz
Icelandic rif
- rifrocks at or near surface of the water
Indonesian terumbu
- terumburocks at or near surface of the water
Irish scoth, scairbh
- scothrocks at or near surface of the water
- scairbhrocks at or near surface of the water
Italian scogliera, barriera
- scoglierarocks at or near surface of the water
- barrierarocks at or near surface of the water
- filonelarge vein of auriferous quartz
- terzaroloarrangement to reduce the area of a sail
- terzarolaresailing
Japanese 礁, 暗礁
- 礁 (shō)rocks at or near surface of the water
- 暗礁 (anshō)rocks at or near surface of the water
- 縮帆 (shukuho)arrangement to reduce the area of a sail
Korean 암초, 초
- 암초 (amcho)rocks at or near surface of the water
- 초 (cho)rocks at or near surface of the water
Malay terumbu
- terumburocks at or near surface of the water
Māori ākau, pūkawa
- ākaurocks at or near surface of the water
- pūkawarocks at or near surface of the water
- taurocks at or near surface of the water
- rīwhiarrangement to reduce the area of a sail
- rīwhisailing
Norwegian reve
- revesailing
Persian آبسنگ
- آبسنگ (âbsang)rocks at or near surface of the water
Polish rafa, refować
- rafarocks at or near surface of the water
- refowaćsailing
Portuguese recife, arrecife
- reciferocks at or near surface of the water
- arreciferocks at or near surface of the water
- restingarocks at or near surface of the water
- filãolarge vein of auriferous quartz
Romanian recif
- recifrocks at or near surface of the water
Russian риф, риф
- риф (rif)rocks at or near surface of the water
- риф (rif)arrangement to reduce the area of a sail
Scottish Gaelic riof, riof
- riofarrangement to reduce the area of a sail
- riofsailing
Slovak útes
- útesrocks at or near surface of the water
Spanish arrecife, filón
- arreciferocks at or near surface of the water
- filónlarge vein of auriferous quartz
- tomar rizossailing
Swedish rev, reva
- revrocks at or near surface of the water
- revasailing
Thai โขดหิน
- โขดหิน (kòht hĭn)rocks at or near surface of the water
Turkish resif
- resifrocks at or near surface of the water
Ukrainian риф
- риф (ryf)rocks at or near surface of the water
Vietnamese đá ngầm, ám tiêu
- đá ngầmrocks at or near surface of the water
- ám tiêurocks at or near surface of the water
Welsh creigres, rîff
- creigresrocks at or near surface of the water
- rîffrocks at or near surface of the water
Rhymes & wordplay
Rhymes with reef
Anagrams
Cite this entry
reef. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/reef
“reef.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/reef. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “reef,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/reef.
Source: reef on Wiktionary, CC BY-SA 4.0.