sweepback

noun
sweep·​back | \ ˈswēp-ˌbak How to pronounce sweepback (audio) \

Definition of sweepback

: the backward slant of an airplane wing in which the outer portion of the wing is downstream from the inner portion

First Known Use of sweepback

1914, in the meaning defined above

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The first known use of sweepback was in 1914

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