Singlet

(n.) An unlined or undyed waistcoat; a single garment; -- opposed to doublet.

Thesaurus Entries

Balmoral, Skivvies, bloomers, body stocking, brassiere, briefs, bustle, camisole, chemise, combination, corset, crinoline, distaff, drawers, female, feminine, foundation garment, gentlewomanlike, girlish, gynecic, gynecoid, gynic, kittenish, ladylike, little-girlish, maidenly, matronal, matronlike, matronly, muliebral, pannier, panties, pants, shift, shorts, singlet, slip, smock, tournure, underpants, underskirt, undervest, union suit, vest, womanish, womanlike, womanly