Meaning

noun young bird especially of domestic fowl

noun informal terms for a (young) woman

originFrom Middle English chicke, chike, variation of chiken (“chicken", also "chick”), from Old English ċicen, ċycen (“chicken”). Sense of "young woman" dates to at least 1860 (compare chit (“young, pert woman”)). More at chicken.

Etymology from Wiktionary, CC BY-SA 3.0