sweepback


Also found in: Dictionary, Wikipedia.

sweepback

[′swēp‚bak]
(aerospace engineering)
The backward slant of a leading or trailing edge of an airfoil.
The amount of this slant, expressed as the angle between a line perpendicular to the plane of symmetry and a reference line in the airfoil.
References in periodicals archive ?
While occupants get quite decent legroom in the front and rear compartments, the GEN-2's sweepback styling is likely to inhibit some rear seat passengers.
At the same time, McDonnell Douglas made the wing thicker--the original Hornet wing had always wrestled with a lack of stiffness, which made its outer pylons of limited use--and increased its sweepback to counter the resulting increase in drag.