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English definition of “fly”

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fly

verb uk   /flaɪ/ (flew, flown) us  

fly verb (TRAVEL)

A2 [I] When a bird, insect, or aircraft flies, it moves through the air: The poor bird couldn't fly because it had a broken wing. As soon as it saw us, the bird flew away/off.A1 [I or T] to travel by aircraft, or to go somewhere or cross something in an aircraft: We flew to Paris. We fly from/out from/out of La Guardia, but fly back (in)to JKF. We are flying at a height of 36,000 feet. She has to fly thousands of miles every year for her job. Who was the first person to fly (across) the Atlantic? [T] to use a particular company to travel by aircraft: I usually fly Lufthansa/Japan Airlines/El Al.C2 [T] to transport people or goods by aircraft: The restaurant flies its fish in daily from Scotland. We will be flying 100 badly wounded civilians out of the battle zone tonight.B2 [I or T] to control an aircraft: I learned to fly when I was in Australia.
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fly verb (MOVE QUICKLY)

[I] to move or go quickly: With the explosion, glass flew across the room. Cathy flew by/past me in the corridor. My holiday seems to have flown (by) (= passed very quickly) this year. The door/window suddenly flew open. UK informal Anyway, I must fly (= leave quickly) - I didn't realize how late it was!
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fly verb (WAVE)

[I or T] to wave or move about in the air while being fixed at one end: The ship was flying the Spanish flag. The flag was flying at half-mast (= brought down to a point half way down the pole) to mark the death of the president. There isn't really enough wind to fly a kite today.

fly verb (SPREAD)

[I] mainly US If rumours, accusations, etc. fly, , they are passed quickly from one person to another and cause excitement: Rumors are flying that the school may close.

fly

noun [C] uk   /flaɪ/ us  

fly noun [C] (INSECT)

B1 a small insect with two wings
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fly noun [C] (TROUSERS)

( UK also flies) the opening at the front of a pair of trousers: Hey Chris, your fly's undone!

fly noun [C] (FISHING)

a hook (= curved piece of wire) with coloured threads fastened to it, attached to the end of a fishing line to attract fish

fly noun [C] (TENT)

( UK also flysheet) an extra sheet of canvas (= strong cloth) stretched over the outside of a tent to keep the rain out
(Definition of fly from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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