Definition from Wiktionary, the free dictionary
rosebud (plural rosebuds)
- The bud of a rose.
- (UK) A pretty young woman or endearment term.
- (US, rare) A debutante.
- (rare) Any of assorted small seashells with a pink or partially pink color, usually of the family Muricidae.
- (Cockney) A mouth.
- (vulgar, slang) An anus.
- (slang) the indentation of a surface caused by an incorrect hammer strike (missing the nail)
- Eric Partridge, A Dictionary of Slang and Unconventional English, 8th edition, 1984