Slip

Etymology
Formally from, but with the sense of etymologically related 🇨🇬, also.

Noun

 * 1) a piece of underwear covering just the genitalia and buttocks: panties, knickers ; briefs

Usage notes

 * Though per se applicable to both sexes, more commonly used of women’s underpants, at least outside of advertising.

Noun

 * 1) briefs