deltoid

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deltoid

/ˈdɛɫtɔɪd/ UK

Where it comes from

From Latin deltoideus, which was in turn from Ancient Greek adjective δελτοειδής (deltoeidḗs). See also: δέλτα (délta), the fourth letter of the Greek alphabet.

noun deltoids

The deltoid muscle, a triangular muscle on the human shoulder.
Similar: delt
The deltoid ligament, a triangular ligament on the human ankle.
A kite (quadrilateral having two pairs of edges of equal length, the edges of each pair touching each other at one end).
A deltoid curve (hypocycloid with three cusps).

adjective

not comparable In the shape of the uppercase Greek letter delta (Δ); triangular.
not comparable, of leaves Of a triangular or roughly triangular shape and attached to the stem via the side.
not comparable Of or pertaining to the deltoid muscle.

Translations

Every language

noun triangular muscle on the human shoulder

Español	(músculo) deltoides, muñón
한국어	삼각근 samgakgeun
日本語	三角筋 sankakukin
中文	三角肌 sānjiǎojī
Français	deltoïde
Deutsch	Deltamuskel

noun triangular ligament on the human ankle

日本語	三角靱帯 sankakujintai

noun kite

Español	deltoide
中文	箏形 /筝形 zhēngxíng, 鳶形 /鸢形 yuānxíng
Français	cerf-volant
Deutsch	Drachenviereck
Русский	дельто́ид dɛlʹtóid
עברית	דַּלְתּוֹן daltón

adj of or connected with deltoid muscle

Español	deltoides, deltoideo
Français	deltoïde
Русский	дельтовидный delʹtovidnyj

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MLA

"deltoid." Wiktionary, via Micwyn, micwyn.com/word/deltoid. Accessed 6 Nov. 2026.

APA

deltoid. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/deltoid

Chicago

"deltoid." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/deltoid.

BibTeX

@misc{deltoid_2026,
  title = {deltoid},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/deltoid},
  urldate = {2026-11-06}
}