Meanings
nounrhombus (plural rhombi or rhombuses)
plural rhombi · plural rhombuses
- geometryThe rhombus diamond, as one of the suits seen in a deck of playing cards ( or ).
- In early Greek religion, an instrument whirled on the end of a string similar to a bullroarer.
The Greeks also used an instrument called a rhombus, or witches' wheel. As the wheel spun round, it was thought that influence was gained over certain people or circumstances.
1936, Rollo Ahmed, The Black Art, London: Long, page 58 - archaicbiologyAny of several flatfishes, including the brill and turbot, once considered part of the genus Rhombus, now in Scophthalmus.First known use 16th c.
the greedy Tuberon or Shark arm'd with a double row of venemous teeth pursues them, directed by a little Rhombus, Musculus or pilot-fish that scuds to and fro to bring intelligence [...].
1638, Thomas Herbert, Some Yeares Travels, section I
Synonyms & antonyms
Narrower
nouna parallelogram with four equal sides; an oblique-angled equilateral parallelogram
Broader
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Ancient Greekῥόμβος“rhombus, spinning top”
- Latinrhombus
- Englishrhombus
Learned borrowing from Latin rhombus, from Ancient Greek ῥόμβος (rhómbos, “rhombus, spinning top”). Doublet of rhomb and rhumb.
More words from Latin, Ancient Greek
Full word history & related roots →Translations
Ancient Greek ῥόμβος
- ῥόμβος (rhómbos)A parallelogram having all sides of equal length
Arabic مُعَيِّن
- مُعَيِّن (muʕayyin)A parallelogram having all sides of equal length
Basque erronbo
- erronboA parallelogram having all sides of equal length
Bengali রম্বস
- রম্বস (romboś)A parallelogram having all sides of equal length
Bulgarian ромб
- ромб (romb)A parallelogram having all sides of equal length
Catalan rombe
- rombeA parallelogram having all sides of equal length
Chinese Mandarin 菱形
- 菱形 (língxíng)A parallelogram having all sides of equal length
Czech kosočtverec
- kosočtverecA parallelogram having all sides of equal length
Danish rombe, rhombe
- rombeA parallelogram having all sides of equal length
- rhombeA parallelogram having all sides of equal length
Dutch ruit
- ruitA parallelogram having all sides of equal length
Esperanto rombo
- romboA parallelogram having all sides of equal length
Estonian romb
- rombA parallelogram having all sides of equal length
Finnish neljäkäs
- neljäkäsA parallelogram having all sides of equal length
French losange, rhombus
- losangeA parallelogram having all sides of equal length
- rhombusA parallelogram having all sides of equal length
German Rhombus, Raute
- RhombusA parallelogram having all sides of equal length
- RauteA parallelogram having all sides of equal length
Greek ρόμβος
- ρόμβος (rómvos)A parallelogram having all sides of equal length
Hebrew מְעֻיָּן
- מְעֻיָּןA parallelogram having all sides of equal length
Hindi विषमकोण
- विषमकोण (viṣamkoṇ)A parallelogram having all sides of equal length
Hungarian rombusz
- rombuszA parallelogram having all sides of equal length
Icelandic tígull, tigull
- tígullA parallelogram having all sides of equal length
- tigullA parallelogram having all sides of equal length
Indonesian belah ketupat
- belah ketupatA parallelogram having all sides of equal length
Italian rombo
- romboA parallelogram having all sides of equal length
Japanese 斜方形, 菱形
- 斜方形 (shahōke)A parallelogram having all sides of equal length
- 菱形 (hishigata)A parallelogram having all sides of equal length
Korean 마름모
- 마름모 (mareummo)A parallelogram having all sides of equal length
Latin rhombus
- rhombusA parallelogram having all sides of equal length
Latvian rombs
- rombsA parallelogram having all sides of equal length
Lithuanian rombas
- rombasA parallelogram having all sides of equal length
Norwegian rombe
- rombeA parallelogram having all sides of equal length
Persian لوزی
- لوزی (lowzi)A parallelogram having all sides of equal length
Polish romb
- rombA parallelogram having all sides of equal length
Portuguese losango
- losangoA parallelogram having all sides of equal length
Romanian romb
- rombA parallelogram having all sides of equal length
Russian ромб
- ромб (romb)A parallelogram having all sides of equal length
Slovak kosoštvorec
- kosoštvorecA parallelogram having all sides of equal length
Spanish rombo
- romboA parallelogram having all sides of equal length
Swahili almasi
- almasiA parallelogram having all sides of equal length
Swedish romb
- rombA parallelogram having all sides of equal length
Tagalog tagisukat
- tagisukatA parallelogram having all sides of equal length
Tamil செவ்வகம்
- செவ்வகம் (cevvakam)A parallelogram having all sides of equal length
Thai สี่เหลี่ยมขนมเปียกปูน, สี่เหลี่ยมข้าวหลามตัด
- สี่เหลี่ยมขนมเปียกปูน (sìi-lìiam-kà-nǒm-bpìiak-bpuun)A parallelogram having all sides of equal length
- สี่เหลี่ยมข้าวหลามตัด (sìi-lìiam-kâao-lǎam-dtàt)A parallelogram having all sides of equal length
Turkish eşkenar dörtgen
- eşkenar dörtgenA parallelogram having all sides of equal length
Ukrainian ромб
- ромб (romb)A parallelogram having all sides of equal length
Vietnamese hình thoi
- hình thoiA parallelogram having all sides of equal length
Yiddish ראָמב, לעקעך
- ראָמב (romb)A parallelogram having all sides of equal length
- לעקעך (lekekh)A parallelogram having all sides of equal length
Cite this entry
APA
rhombus. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/rhombus
MLA
“rhombus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rhombus. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “rhombus,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/rhombus.
Source: rhombus on Wiktionary, CC BY-SA 4.0.