(Of a bird, bat, or insect) move through the air using wings
A flying insect of a large order characterized by a single pair of transparent wings and sucking (and often also piercing) mouthparts. Flies are of great importance as vectors of disease
Knowing and clever
An opening at the crotch of a pair of trousers, closed with a zip or buttons and typically covered with a flap
A one-horse hackney carriage
a bird flew overhead
the only fly in the ointment was Adrian
she's fly enough not to get done out of it
Designating a list, person, or category of people prevented from flying for security reasons
Attack verbally or physically
A flight past a point, especially the close approach of a spacecraft to a planet or moon for observation
A meeting or other event attended by people who arrive by air
A short-lived winged insect; specifically (a) an insect of the order Ephemeroptera; = mayfly.
Any of various horseflies or deer flies (family Tabanidae) that bite the ears of horses; especially Chrysops vittatus.
= eye gnat.
= fly boy.
To fly at a low altitude.
A horse botfly (genus Gasterophilus).
Either of two long-legged orange and brown dipteran flies of the genus Rhagio (formerly Leptis; family Rhagionidae), R. lineola and especially the larger R. scolopacea.
An alderfly, especially as used in fly-fishing.
= owl midge.
A kind of artificial fly which is predominantly red in colour.
A bloodsucking fly of spider-like appearance, parasitic on bats and bearing live young
A squat, hairy bee-like fly that hovers to feed from flowers using its long tongue. Its larvae typically parasitize other insects, especially bees and wasps
An artificial fishing fly which is made to float lightly on the water
Ash produced in small dark flecks by the burning of powdered coal or other materials and carried into the air
A pilot, especially one in the air force
A lightweight flexible rod used in fly fishing
Illegally dump waste
Attack physically or verbally
An artificial fishing fly designed to sink below the surface of the water
Any of various small flying insects found on apples or apple trees; (now) specifically the fly Rhagoletis pomonella (family Trypetidae), native to North America, the larva of which is the apple maggot.
A blue dipteran fly; specifically the bluebottle, Calliphora vomitaria.
The fly Musca autumnalis (family Muscidae), resembling the house fly, which gathers in large numbers on the faces of cattle and other livestock and feeds on secretions and open wounds; also called (especially British) autumn fly.
And without object to fly without restriction or constraint.
(In later use) the stable fly, Stomoxys calcitrans.
A person who resembles a fly in being particularly agile, and especially in being able to scale vertical surfaces.
= mangrove fly.
A dipteran fly of the family Sciomyzidae.
A fly that breeds in meat, especially a bluebottle or other blowfly, or a flesh fly.
Any of several North American bloodsucking flies; especially a horsefly of the genus Chrysops.
Any of numerous tiny flies of the dipteran family Psychodidae, the body and wings of which are covered in long coarse hairs; also called owl midge.
Any of various large insectivorous dipteran flies constituting the family Mydaidae (or Mydidae), which are hairless and have clubbed antennae.
Angling. An artificial fly used in night-fishing.
And without object To fly (an aircraft) at night.
(More fully sheep nose fly) the sheep nostril fly or botfly, Oestrus ovis, which deposits its larvae in the nostrils of sheep and similar animals.
= olive fruit fly.
An insect infesting peach trees, such as a peach aphid or a peach borer.
A hoverfly that resembles a bumblebee, with larvae that are pests of daffodil bulbs