- Main Entry:
- fly

- Pronunciation:
-
\ˈflī\
- Function:
- noun
- Inflected Form(s):
- plural flies
1: a winged insect —usually used in combination <emerging mayflies> <a large butterfly>2 a: any dipteran fly—called also true fly, two-winged fly b: a large and stout-bodied dipteran fly (as a horsefly)