fly
//flaɪ//
Verb
To move through the air using wings or by aircraft
Birds fly south for the winter.
To travel in an aircraft or spacecraft as a passenger or pilot
We flew to Tokyo last summer.
To move or pass swiftly through the air or through space
The ball flew through the air and landed in the garden.
To wave or flutter in the air, as a flag does
The flag was flying in the wind.
To flee or run away quickly
The thieves flew when they heard the police sirens.
Noun
A small insect with two wings, especially the common housefly
There's a fly in the kitchen.
A fishing lure designed to resemble an insect
He tied a new fly to his fishing line.
An opening in the front of trousers that fastens with a zipper or buttons
Your fly is open.
A flap of fabric covering the opening or fastening of a garment or tent
The fly of his pants was open.