Meanings
plural sea miles · alternative sea-mile · alternative seamile
- Synonym of nautical mile, a unit of distance now equal to exactly 1852 meters
Synonyms: nautical mile
- historicalA former version of the nautical mile in Scandinavia equal to 4 minutes of arc or about 4 nmi.
Synonyms: nautical mile
Synonyms & antonyms
nounSynonym of nautical mile, a unit of distance now equal to exactly 1852 meters
nounA former version of the nautical mile in Scandinavia equal to 4 minutes of arc or about 4 nmi.
More synonyms by meaning
nouna former British unit of length once used in navigation; equivalent to 6,000 feet (1828.8 meters)
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Danishsø“sea, nautical, maritime”
- Swedishsjömil
- Norwegian Bokmålsjømil
- Danishsømil
- Englishsea mile
As a former Scandinavian unit of distance, a calque of Danish sømil, Norwegian Bokmål sjømil, and Swedish sjömil, from Danish sø (“sea, nautical, maritime”) + mil (“Danish mile or league”).
More words from Danish, Norwegian Bokmål, Swedish
Full word history & related roots →Cite this entry
sea mile. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/sea%20mile
“sea mile.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sea%20mile. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “sea mile,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/sea%20mile.
Source: sea mile on Wiktionary, CC BY-SA 4.0.