briefs

1. (usually in the plural) A very short, close-fitting type of underpants.Examples: "[S]he learned not to iron my footy briefs and leave creases in them - the blokes bagged my creases for weeks[.]"; "Briefs for men and women were not popular in America until the 1930s."; "Yes, Gentlemen’s Quarterly wrote that Archie wears briefs, like it was something everyone wanted to know."pluralplural-normallyplural-only

2. (chiefly Australia, informal) Male underpant bikini briefs.Examples: "Galvanised, I jumped--the clatter of keys rang clear as I thrust the knife, handle down, into the back of my briefs."Australiainformalpluralplural-only

3. (euphemistic) An adult diaper.euphemisticpluralplural-only