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Wiktionary
sweptback

a. 1 (context of an aircraft wing English) angled backwards from its attachment to the fuselage 2 (context of a hairstyle English) backswept

WordNet
sweptback
  1. adj. (especially of aircraft wings) angled rearward from the point of attachment; "aircraft with sweptback wings"

  2. used of hair [syn: backswept]

Usage examples of "sweptback".

The entire craft is delta-shaped a pair of sweptback wings or fins without a body proper.

Softly toward the bow, where they went past the sonar sphere and then made a sharp turn into the other sweptback portion of the submarine.