Meaning

noun flesh of a medium-sized young chicken suitable for frying

noun young hen usually less than a year old

originFrom Middle English polet, pulet, from Anglo-Norman pullet, Old French poulet (“young chicken”); polette (“young hen”), from poule (“hen”), from Vulgar Latin pulla, feminine form of pullus. Doublet of poult. Compare also Middle English pulle. By surface analysis, pull(us) + -et.

Etymology from Wiktionary, CC BY-SA 3.0