deltoid

Plural: deltoids

Noun

A large triangular muscle covering the shoulder joint.
a large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm
The deltoid muscle, a triangular muscle on the human shoulder.
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 Satellite

triangular or suggesting a capital delta, with a point at the apex

Adj

In the shape of the uppercase Greek letter delta (Δ); triangular.
In the shape of the uppercase Greek letter delta (Δ); triangular.
Of a triangular or roughly triangular shape and attached to the stem via the side.
Of or pertaining to the deltoid muscle.

Examples

Playing DELTOID was a strong move, flexing his vocabulary muscle in Scrabble.

Origin / 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

deltoid muscle, musculus deltoideus, delt

Scrabble Score: 9

deltoid: valid Scrabble (US) TWL Word
deltoid: valid Scrabble Word in Merriam-Webster MW Dictionary
deltoid: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 10

deltoid: valid Words With Friends Word