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

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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.
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Recent Examples on the Web: Noun Despite the flap, John McCain cited his mother’s character as the root of his success in his 2008 speech accepting the Republican nomination for president. Jeannette Hinkle, The Arizona Republic, "Roberta McCain, mother of John McCain and matriarch of the McCain family, dies at 108," 13 Oct. 2020 Morgan wakes up to Isaac tending to him inside the water tower; Morgan had written the coordinates for his hideout on the inside flap of his backpack. Nick Romano, EW.com, "Fear the Walking Dead premiere recap: Morgan's dead. Long live Morgan.," 12 Oct. 2020 An additional flap can be deployed on this inner gate to act as a load stop, too. Maxwell B. Mortimer, Car and Driver, "Chevrolet Confirms 2021 Silverado Will Get Multi-Flex Tailgate," 16 Sep. 2020 Just lift up the flap of the skin to check the cavities. Kate Merker, Good Housekeeping, "How to Prepare a Turkey for Roasting," 3 Oct. 2020 The robots did pushups and extended a flap of fake skin under the chin, mimicking the aggressive displays of real lizards. Elizabeth Pennisi, Science | AAAS, "Meet Lizard Man, a reptile-loving biologist tackling some of the biggest questions in evolution," 30 July 2020 Significantly, a procedure to close a small hole on the roof of my mouth by using a skin flap failed immediately, very likely because of the prior radiation. Carolyn Barber, Fortune, "My cancer might be back—and I wonder if unnecessary radiation caused it in the first place," 22 Sep. 2020 The news caused a brief flap in the Indian media, which claimed that Ali was in Aksai Chin, a region that India considers sovereign territory. Raghu Karnad, The New Yorker, "The Clear Night Sky Over India and China’s Hostile Border," 19 Sep. 2020 Though Archaeopteryx’s anatomy didn’t allow for a fully birdlike flap, the cross sections of its wing bones most closely resemble those in living pheasants, which fly in short bursts. National Geographic, "DINOSAURS," 15 Sep. 2020 Recent Examples on the Web: Verb Others, including finches, flap them intermittently, rising and falling like a roller coaster. Paul Stenquist, New York Times, "Get the Birds To Come To You," 17 Oct. 2020 As potatoes go rolling or greeting cards flap in the wind, a trap is laid. Spencer Kornhaber, The Atlantic, "The Mystery of Ellen DeGeneres," 23 Aug. 2020 When the flamingo starts flapping his wings, children start to flap their arms, and so do grown-ups. National Geographic, "'A danger you can't see'," 21 Aug. 2020 Hobby drones don’t have wings to flap or legs that strut, so teaching an algorithm what a drone looks like is relatively straightforward. Daniel Oberhaus, Wired, "Why Do Solar Farms Kill Birds? Call in the AI Bird Watcher," 10 Aug. 2020 Basically, Asian honey bees surround a hornet and flap their wings as hard and as fast as possible to raise the temperature within the swarm. Daisy Hernandez, Popular Mechanics, "What You Should Know About Murder Hornets," 30 May 2020 The bot can’t flap, but the mechanical skeleton has a few of the same joints as a bird’s wings. Theresa Machemer, Smithsonian Magazine, "‘PigeonBot’ Uses Real Feathers to Fly Like a Bird," 17 Jan. 2020 In Rodham, the butterflies flap their wings; only some things change. Megan Garber, The Atlantic, "Americans Are Living in an Alternate History," 6 July 2020 The Indus River dolphin is one of just two species known to lie on its side and flap its tail, a behavior called side-swimming. National Geographic, "One of world's rarest dolphins rebounding in Pakistan," 18 June 2020

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.

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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

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Time Traveler for flap

Time Traveler

The first known use of flap was in the 14th century

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Statistics for flap

Last Updated

23 Oct 2020

Cite this Entry

“Flap.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flap. Accessed 25 Oct. 2020.

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More Definitions for flap

flap

noun
How to pronounce flap (audio)

English Language Learners Definition of flap

 (Entry 1 of 2)

: a flat piece of material that is attached to something on one side and that can be easily moved
: the movement or sound of something that is moving up and down or back and forth
: a state or situation in which many people are excited or upset

flap

verb

English Language Learners Definition of flap (Entry 2 of 2)

: to move (something) up and down or back and forth

flap

noun
\ ˈflap How to pronounce flap (audio) \

Kids Definition of flap

 (Entry 1 of 2)

1 : something broad and flat or flexible that hangs loose Tape the box flaps closed.
2 : the motion or sound made by something broad and flexible (as a sail or wing) moving back and forth
3 : an upset or worried state of mind Don't get in a flap over nothing.

flap

verb
flapped; flapping

Kids Definition of flap (Entry 2 of 2)

: to move with a beating or fluttering motion Birds flapped their wings.

flap

noun
\ ˈflap How to pronounce flap (audio) \

Medical Definition of flap

: a piece of tissue partly severed from its place of origin for use in surgical grafting

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Comments on flap

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