Dictionary » F » Flap

Flap

Flap

Anything broad and limber that hangs loose, or that is attached by one side or end and is easily moved; as, the flap of a garment. A cartilaginous flap upon the opening of the larynx. (Sir t. Browne)

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

3. The motion of anything broad and loose, or a stroke or sound made with it; as, the flap of a sail or of a wing.

4. (Science: veterinary) a disease in the lips of horses. Flap tile, a tile with a bent up portion, to turn a corner or catch a drip.

(Science: mechanics) flap valve, a valve which opens and shuts upon one hinged side; a clack valve.

Origin: oe. Flappe, flap, blow, bly-flap; cf. D. Flap, and E. Flap.


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Question about flies.

... animals, become slower the colder their environment is, and naturally flying requires some speed. So when the fly becomes so cold it cannot flap its wings fast enough it falls down. If it gets colder still, its other movements become slower and slower until they cease completely. Cold-blooded ...

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by biohazard
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Theories - Origin of Life

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by scottie
Thu Apr 14, 2011 4:56 pm
 
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Heart : Difference between tricuspid and bicuspid valves ?

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by Julie5
Sun Oct 24, 2010 10:45 am
 
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Opening of the coronary artery & larynx

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by vertciel
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Topic: Opening of the coronary artery & larynx
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The Fiber Disease

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