Deltoid /(?)/

Del·toid

Deltoid

a.
  1. Shaped like the Greek Δ (delta); delta-shaped; triangular.
  2. of or pertaining to the deltoid muscle.

Phrases & Compounds

Deltoid leaf
a leaf in the form of a triangle with the stem inserted at the middle of the base.
Deltoid muscle
a large triangular muscle covering the shoulder joint, which serves to raise the arm directly upward.

Deltoid

n.
  1. the deltoid muscle.