- Anatomy. a large, triangular muscle covering the joint of the shoulder, the action of which raises the arm away from the side of the body.
- Anatomy. pertaining to or involving the deltoid.
- Also deltoidal. in the shape of a Greek capital delta (Δ); triangular.
Origin of deltoid
Related Words for deltoidtrilateral, cuneate, deltoid, deltoidal, hastate, pyramidal, pyriform, trigonal
Examples from the Web for deltoid
Historical Examples of deltoid
A red dab over the sternum, and on each arm in front of the deltoid.Castes and Tribes of Southern India
(1-2 inches) long; leaves narrowly ovate to deltoid, 2.5-6 cm.Trees of Indiana
Charles Clemon Deam
He told her what Sopley had said about his deltoid, Henson about his thigh.The Story of Louie
What has become of the other two, the sterno-cleido mastoid and the deltoid?
The portion of this muscle which is next the scapula is covered by the deltoid.
- the thick muscle forming the rounded contour of the outer edge of the shoulder and acting to raise the arm
- shaped like a Greek capital delta, Δ; triangular
Word Origin for deltoid
Word Origin and History for deltoid
- Of or relating to the deltoid muscle.
- Triangular in shape or outline.
- The deltoid muscle.