Meaning of “fly” - Learner’s Dictionary


noun [ C ] uk us /flaɪ/

B1 a small insect with two wings:

There was a fly buzzing around in the kitchen.
TROUSERS (also UK flies [ plural ])

the part where trousers open and close at the front:

a button/zip fly

(Definition of “fly noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)