noun. An upper undergarment, typically having short or no sleeves, worn next to the skin under a shirt.

noun. A shirt or similar garment, as of woolen, worn under a shirt and next to the skin.

noun. A shirt worn next the skin, under another shirt; -- called also undervest.

noun. an upper undergarment with no collar, and with short or no sleeves, worn next to the skin under a shirt; a singlet or (British) a vest

noun. a collarless men's undergarment for the upper part of the body

"Listen, I'm looking at this photo of Ripley in her underwear, from the original -- the undershirt is the same, but these briefs -- I think maybe they aren't really women's briefs, I think these are men's, like a Speedo version of undies."

under-garment  unmentionable  

T-shirt  camisole  greatcoat  jerkin  jumpsuit  

undervest