fly - definition in the American English Dictionary - Cambridge Dictionaries Online

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English definition of “fly”

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fly

verb  us   /flɑɪ/ (past tense flew  /flu/ , past participle flown  /floʊn/ )

fly verb (TRAVEL THROUGH AIR)

[I/T] (of creatures, objects, or aircraft) to move through the air, or (of people) to travel by aircraft: [I] The building just exploded, and glass flew through the air. [I] We enjoy watching the birds fly over the water. [I] Are you planning to fly or drive to Toronto? [I] Some of our pilots have been flying (= operating an aircraft) for 20 years. [I/T] What airline are you flying (on) (= traveling on as a passenger)?

fly verb (MOVE QUICKLY)

[I] to move or go quickly or suddenly: Theo was startled when the door flew open. Saying she was late, Cathy flew by me and ran outside. The summer seems to have flown by (= passed quickly).

fly verb (WAVE)

[I/T] to move around in the air while being held at one end, or to cause something attached at one end to be moved: [I] Flags flew from the front of every house.

fly

noun  us   /flɑɪ/

fly noun (INSECT)

[C] a small insect with two wings

fly noun (PANTS)

fly noun (BALL)

[C] (also fly ball,  /ˈflɑɪˈbɔl/ ) in baseball, a ball that has been hit high into the air: He caught the fly in deep center field.
(Definition of fly from the Cambridge Academic Content Dictionary © Cambridge University Press)
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