English Explanatory Dictionary

deltoid

English dictionary entry

Meanings

noun
  1. The deltoid muscle, a triangular muscle on the human shoulder.
  2. The deltoid ligament, a triangular ligament on the human ankle.
  3. A kite (quadrilateral having two pairs of edges of equal length, the edges of each pair touching each other at one end).
  4. A deltoid curve (hypocycloid with three cusps).
adj
  1. In the shape of the uppercase Greek letter delta (Δ); triangular.
  2. Of a triangular or roughly triangular shape and attached to the stem via the side.
  3. Of or pertaining to the deltoid muscle.

Pronunciation

/ˈdɛɫtɔɪd/ LL-Q1860 (eng)-Flame, not lame-deltoid.wav

Word forms

deltoid deltoids

Etymology

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

Synonyms

delt

Derived words

anterior deltoid bideltoid intradeltoid radiodeltoid spinodeltoid deltoidal deltoid curve deltoid moth deltoid muscle obdeltoid subdeltoid
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