Deltoid
WordNet
adjective
(1) Of a leaf shape; suggesting a capital delta, with a point at the apex
noun
(2) A large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm
WiktionaryText
Noun
- The deltoid muscle, a triangular muscle on the human shoulder.
- The deltoid ligament, a triangular ligament on the human ankle.
Adjective
- In the shape of the upper case Greek letter delta Δ; triangular.
- Of, or connected with the deltoid muscle
- Of a triangular or roughly triangular shape and attached to the stem via the side.