lacertus

Etymology
From, from Classical , possibly from. For the semantics, compare from, derived from a supposed resemblance to little mice.

Noun

 * 1)  A bundle or fascicle of muscular fibres.

Noun

 * : a lizard

Etymology 2
Uncertain. Possibly from, as derived from a supposed resemblance to little mice; possibly from ,

Noun

 * 1)  The muscular part of the upper arm, including the shoulder, biceps, and triceps.
 * 2)  The arm.
 * 3)  A muscle.