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delta wing

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noun
  1. a triangularly shaped surface that serves as both wing and horizontal stabilizer of a space vehicle and some supersonic aircraft.

Origin of delta wing

First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for delta wing

delta wing

noun
  1. a triangular sweptback aircraft wing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012