noun. undefined

noun. A projecting or hanging piece usually attached to something on one side and often intended to protect or cover.

noun. Either of the folded ends of a book jacket that fit inside the front and back covers.

noun. A variable control surface on the trailing edge of an aircraft wing, used primarily to increase lift or drag.

noun. A piece of tissue that has been partially detached and used in surgical grafting to fill an adjacent defect or cover the cut end of a bone after amputation.

noun. undefined

noun. The act of waving or fluttering.

noun. The sound produced by this motion.

noun. A sound articulated by a single, quick touch of the tongue against the teeth or alveolar ridge, as (t) in water.

noun. A commotion or disturbance.

noun. A blow given with something flat; a slap.

intransitive verb. To move (wings or arms, for example) up and down.

intransitive verb. To cause to move or sway with a fluttering or waving motion.

intransitive verb. To cause to strike against something.

intransitive verb. undefined

intransitive verb. To move wings or the arms up and down.

intransitive verb. To fly by beating the air with the wings.

intransitive verb. To move or sway while fixed at one edge or corner; flutter.

noun. A stroke, blow, or buffet, as with the hand or with any weapon, etc.

noun. The motion of anything broad and loose; a flapping motion.

noun. An instrument for keeping off flies by a flapping motion.

noun. Anything broad and flexible that hangs loose, or is attached by one end or side, and easily moved; that part of anything which projects in such a form.

noun. A heavy valve used to prevent the entrance of the tide into a sewer.

noun. In surgery, a portion of skin or flesh separated from the underlying part, but remaining attached at the base.

noun. plural A disease in the lips of horses, in which they become blistered and swell on both sides.

noun. plural A discomycetous fungus, Peziza cochleata.

noun. plural A broadly expanded hymenomycetous fungus, probably Agaricus arvensis.

noun. In mycology, same as flab.

noun. In phonetics, a flapping motion of the tongue or uvula or the sound produced by it, as in vocalizing the letters l or r.

To strike a blow with anything broad and flexible, as the hand; clap; make a noise like clapping.

To move in a waving or swaying manner, as wings, or as something broad or loose.

To burst out suddenly, as flames; flash.

To fall like a flap, as the brim of a hat or other broad thing.

To strike; beat; slap; give a stroke of any kind to.

To beat with or as if with a flap.

To make or cause a swaying movement of, as something broad or flap-like: as, the wind flapped the shutters.

To provide with a flap.

To let fall the flap of; move the flap of; especially, as in the case of a hat, to bring the flaps of forward and downward, so as to cover or protect the face.

To arouse the attention of, as by flapping the ears: apparently in allusion to the “flappers” employed for such a purpose in the feigned island of Laputa in “Gulliver's Travels.” See extract from Swift, under flapper, 1.

transitive verb. To beat with a flap; to strike.

transitive verb. To move, as something broad and flaplike; ; to let fall, as the brim of a hat.

transitive verb. to taunt.

intransitive verb. To move as do wings, or as something broad or loose; to fly with wings beating the air.

intransitive verb. To fall and hang like a flap, as the brim of a hat, or other broad thing.

noun. Anything broad and limber that hangs loose, or that is attached by one side or end and is easily moved.

noun. A hinged leaf, as of a table or shutter.

noun. The motion of anything broad and loose, or a stroke or sound made with it.

noun. A disease in the lips of horses.

noun. a movable part of an airplane wing, used to increase lift or drag, especially when taking off or landing. used often in the plural.

noun. a tile with a bent up portion, to turn a corner or catch a drip.