Definition of sweepback in English:

sweepback

noun

  • The angle at which an aircraft's wing is set back from a right angle to the body.

    • ‘The wing sweepback angle varies from 16° to 69°, with respect to the wing leading edge with four outer-wing panel fixed positions of 16°, 35°, 45° and 69°.’
    • ‘Physically, the new wing will have a higher aspect ratio and a more pronounced sweepback angle, allowing for more efficient high-speed cruise performance.’
    • ‘The German introduction of the turbojet engine and moderate wing sweepback to improve high-speed flight performance was matched by Allied developments.’

Pronunciation:

sweepback

/ˈswēpbak/