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flap

1 flap /ˈflæp/ noun
plural flaps
1 flap
/ˈflæp/
noun
plural flaps
Britannica Dictionary definition of FLAP
[count]
: 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
informal
: a state or situation in which many people are excited or upset
chiefly British : a state in which someone is very upset
: a movable part of an airplane wing that can be raised or lowered and that is used to increase lift
2 flap /ˈflæp/ verb
flaps; flapped; flapping
2 flap
/ˈflæp/
verb
flaps; flapped; flapping
Britannica Dictionary definition of FLAP
: to move (something) up and down or back and forth
[+ object]
[no object]