control surface vs flap

flap vs control surface

control surface and flap both are nouns.

control surface is not a verb while flap is a verb.

Word	Noun	Adjective	Verb	Adverb
control surface	Yes	No	No	No
flap	Yes	No	Yes	No

As nouns, flap is a hyponym of control surface; that is, flap is a word with a more specific, narrower meaning than control surface:

control surface: a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight
flap: a movable airfoil that is part of an aircraft wing; used to increase lift or drag

Other hyponyms of control surface include aileron, elevator, flaps, horizontal stabiliser, horizontal stabilizer, tailplane, rotary wing, rotor blade, rudder, spoiler, spoiler, stabilizer, vertical tail, wing.

control surface (noun)	flap (noun)
a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight	any broad thin and limber covering attached at one edge; hangs loose or projects freely
	a movable airfoil that is part of an aircraft wing; used to increase lift or drag
	a movable piece of tissue partly connected to the body
	the motion made by flapping up and down
	an excited state of agitation

control surface (verb)	flap (verb)
	pronounce with a flap, of alveolar sounds
	make a fuss; be agitated
	to flutter noisily when moved by the wind
	move in a wavy pattern or with a rising and falling motion
	move with a flapping motion
	move with a thrashing motion

Difference between control surface and flap

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