flap

noun
\ ˈflap How to pronounce flap (audio) \

Definition of flap

 (Entry 1 of 2)

1 : a stroke with something broad : slap
2 obsolete : something broad and flat used for striking
3 : something that is broad, limber, or flat and usually thin and that hangs loose or projects freely: such as
a : a piece on a garment that hangs free
b : a part of a book jacket that folds under the book's cover
c : a piece of tissue partly severed from its place of origin for use in surgical grafting
d : an extended part forming the closure (as of an envelope or carton)
4 : the motion of something broad and limber (such as a sail or wing)
5 : a movable auxiliary airfoil usually attached to an airplane wing's trailing edge to increase lift or drag — see airplane illustration
6a : a state of excitement or agitation : tizzy, uproar
b : something that generates an uproar
7 : a consonant (such as the sound \d\ in ladder and \t\ in latter) characterized by a single rapid contact of the tongue or lower lip against another point in the mouth

called also tap

flap

verb
flapped; flapping

Definition of flap (Entry 2 of 2)

transitive verb

1 : to beat with or as if with a flap
2 : to toss sharply : fling
3 : to move or cause to move in flaps

intransitive verb

1 : to sway loosely usually with a noise of striking and especially when moved by wind
2a : to beat or pulsate wings or something suggesting wings
b : to progress by flapping
c : to flutter ineffectively
3 : to talk foolishly and persistently

Keep scrolling for more

Examples of flap in a Sentence

Noun

She opened the tent flap and crawled outside. the inside flap of a book's cover a loose flap of skin

Verb

The breeze flapped the sails. The flag flapped in the breeze. The bird's wings were flapping.
See More

Recent Examples on the Web: Noun

Add a cat flap to a door, window, wall cut, or build a tunnel or screened walkway. oregonlive.com, "See screened playgrounds purr-fect for felines: Portland Catio Tour," 19 Aug. 2019 With a small pouch, a flap with some hardware, and an elastic Velcro band, the company, which has over 270,000 Instagram followers, believes there are countless ways to wear this new accessory. Sara Radin, Teen Vogue, "Frankie Collective Is Making Tiny Bags for Your Arms and Ankles," 5 Aug. 2019 Biden didn’t seem particularly concerned about the flap at the time. Michael Steinberger, New York Times, "Joe Biden Wants to Take America Back to a Time Before Trump," 23 July 2019 Cut off the two smaller flaps from both vertical box openings with scissors, save all four for later. Kris Coronado, Washington Post, "With this cardboard version, you can invite family and friends to take a book, return a book.," 19 June 2019 Each had a yellow plastic flap with the Giant logo. Aaron Gilbreath, Longreads, "The Nighthawks of the Giant," 16 Apr. 2018 The trade flap is an extra irritant in the troubled relationship between the two neighbors, which has long been strained by antagonisms left over from Japan’s brutal colonialization of the Korean peninsula in 1910-1945. Washington Post, "Japan likely to tighten SKorean export curbs in late Aug," 26 July 2019 The flap over the health service was a reminder that despite Trump’s breezy assertion that a trade deal between Britain and the U.S. could be negotiated in a matter of weeks, such agreements are never easy. Eli Stokols, latimes.com, "Amid somber D-day commemorations, Trump keeps stirring the pot," 5 June 2019 Traditionally a Gurney flap is a small vertical lip on the trailing edge of a spoiler or wing designed to increase the downforce. Alexander Stoklosa, Car and Driver, "The 986-HP Ferrari SF90 Stradale Plug-In Hybrid Yanks Maranello Back Into Hypercar Race," 29 May 2019

Recent Examples on the Web: Verb

The game started in the worst possible way for Liverpool, with Alisson Becker uncharacteristically flapping at a Memphis Depay cross before hauling down Moussa Dembele to concede a second minute penalty - Depay scoring the resulting spot-kick. SI.com, "Liverpool 3-1 Lyon: Report, Ratings & Reaction as Wilson Stunner Helps Get Reds Back on Track," 31 July 2019 In addition, many blood vessels are visible, suggesting vigorous movement — like flapping. Jonathon Keats, Discover Magazine, "The Origins of Flight, From Birds to Bugs to Planes," 21 June 2019 Old Glory flies from the flagpole once again, gently flapping in the early-summer breeze. Thomas Farragher, BostonGlobe.com, "A piece of Maine’s maritime history gets a lifeline," 10 July 2019 Thick tree limbs are enclosed by plastic tarps with window cutouts flapping in the wind. Nina Strochlic, National Geographic, "In Uganda, a unique urban experiment is under way," 17 June 2019 At Tuesday’s handover ceremony at a Philippine air force base, the bronze bells stood atop a red platform like silent symbols of a bygone era of hostilities, as American and Philippine flags flapped in the wind. Jim Gomez, The Seattle Times, "US returns 3 disputed bells taken from Philippines in 1901," 11 Dec. 2018 No xenon to futz with, or wings to flap, or rotors to spin. Matt Simon, WIRED, "An Itty-Bitty Robot That Lifts Off Like a Sci-Fi Spaceship," 4 July 2019 And the simplest way to do that was simply to double the number of wings, with each actuator now flapping two wings. John Timmer, Ars Technica, "Flying, insect-like robot flits closer to independent flight," 26 June 2019 Now minus one and watched by flapping posters of other missing souls, the Abbotts return to their farm as the story (by Bryan Woods and Scott Beck) leaps forward more than a year. Jeannette Catsoulis, New York Times, "Review: In John Krasinski’s ‘A Quiet Place,’ Silence Means Survival," 4 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'flap.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of flap

Noun

14th century, in the meaning defined at sense 1

Verb

14th century, in the meaning defined at transitive sense 1

History and Etymology for flap

Noun

Middle English flappe

Keep scrolling for more

Keep scrolling for more

More Definitions for flap

flap

noun

English Language Learners Definition of flap

 (Entry 1 of 2)