present participle of fly by

(computing) A type of encryption, or its software, which uses virtual drives to encrypt information that is then decrypted in RAM.

(baseball) A batted ball which is in play and subject to the infield fly rule.

A creature which flies at night; a nocturnal flier or traveler. / (often attributive) One who departs or flees at night in order to avoid creditors, law enforcement etc.

plural of fly-by-night

A species of biting horsefly, found around southern Africa, Tabanus biguttatus.

plural of fly out

Alternative form of flyswatter

an extra cover of a tent to protect against insects and bad weather. / a printed leaflet or pamphlet

Any of several medium-sized flies in the genus Stomoxys, of the family Muscidae that includes the housefly. The genus is unusual among members of that family, in that they suck blood from mammals.