del·toid 
(dĕltoid′)
(dĕltoid′)n.
1. A thick triangular muscle covering the shoulder joint, used to raise the arm from the side.
2. See kite.
adj.
1.
a. Triangular.
b. Having the shape of a geometric kite.
2. Of or relating to the deltoid.
[New Latin deltoīdēs, from Greek deltoeidēs, triangular : delta, delta; see DELTA + -oeidēs, -oid.]
- behavior
- behavioral
- behavioral genetics
- behaviorally
- behavioral medicine
- behavioral psychophysics
- behavioral science
- behavioral scientist
- behaviorism
- behaviorist
- behavioristic
- behavior modification
- behavior modifier
- behavior therapist
- behavior therapy
- behaviour
- behead
- beheld
- behemoth
- behest
- behind
- behind back
- behind bars
- behindhand
- behind (one's) back