Definitions for "Undershirt"
Keywords:  shirt, undervest, worn, underwear, rags
A shirt worn next the skin, under another shirt; -- called also undervest.
a mr rags shirt that is sometimes worn under clothes
An undershirt is an article of underwear worn under a shirt. The term most commonly refers to types upper body wear worn by males. It is sometimes referred to as a "u-shirt".
a collarless men's undergarment for the upper part of the body