n. A stroke, blow, or buffet, as with the hand or with any weapon, etc.n. The motion of anything broad and loose; a flapping motion.n. An instrument for keeping off flies by a flapping motion.n. 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.n. A heavy valve used to prevent the entrance of the tide into a sewer.n. In surgery, a portion of skin or flesh separated from the underlying part, but remaining attached at the base.n. plural A disease in the lips of horses, in which they become blistered and swell on both sides.n. plural A discomycetous fungus, Peziza cochleata.n. plural A broadly expanded hymenomycetous fungus, probably Agaricus arvensis.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.n. In mycology, same as flab.n. In phonetics, a flapping motion of the tongue or uvula or the sound produced by it, as in vocalizing the letters l or r.
