n. 三头肌

[医] 三头肌; 三头的

[ noun ]
any skeletal muscle having three origins (but especially the triceps brachii)
<noun.body>

Triceps \Tri"ceps\, n. [NL., fr. L. triceps, having three beads;
tres, tria, three + caput head: cf. F. triceps. See {Three},
and Chief.] (Anat.)
A muscle having three heads; specif., the great extensor of
the forearm, arising by three heads and inserted into the
olecranon at the elbow.