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Meaning of flapped outfall | Babel Free

Noun CEFR B2

Definitions

An outfall fitted with a metal flap so that floodwater will not back up

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

Flapper flapper board flapper pie flapper skate flapper valve flapperdom