lacertus

[lə-sûrtəs]

n. pl. la•cer•ti (-tī′)

The muscular part of the upper arm from the shoulder to the elbow.
A fibrous band related to a muscle.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.