delta wing


: a triangular swept-back airplane wing with a usually straight trailing edge

Example Sentences

Recent Examples on the Web The aircraft’s shape is reminiscent of a delta wing aircraft, used in military and supersonic jets like the Concorde, but the Falcon Solar takes it a step farther with curved wings and an elegant, bird-like fuselage. Michael Verdon, Robb Report, 12 May 2022 The 71-foot-long fuselage was designed for aerodynamic efficiency, with a delta wing and three J85-15 engines by General Electric for supersonic speeds. Michael Verdon, Robb Report, 13 Jan. 2022 Ryan Aeronautical selected the delta wing for its new X-13 Vertijet aircraft that takes off straight up. Thomas E. Stimson, Popular Mechanics, 15 July 2021 Any delta wing has a large area, so wing loading is low. Thomas E. Stimson, Popular Mechanics, 15 July 2021 The briefing includes a rendering of a fighter concept that appears to combine the nose and cockpit of an F-CK-1 with a tailless delta wing similar to that on the Mirage 2000. David Axe, Forbes, 19 Apr. 2021 The stubby delta wing gives sufficient lift with extremely low wing loading (weight to wing area), as well as minimum drag and maximum maneuverability. Kevin Brown, Popular Mechanics, 19 Nov. 2020 The Rafale is an agile jet, with a delta wing and large canards to enhance maneuverability. Kyle Mizokami, Popular Mechanics, 20 Aug. 2019 The delta wing shape is essentially a triangle, and that helps keep the aircraft stable at high speeds. Joe Pappalardo, Popular Mechanics, 18 Dec. 2017 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'delta wing.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History


delta entry 1; from its shape

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of delta wing was in 1946

Dictionary Entries Near delta wing

Cite this Entry

“Delta wing.” Dictionary, Merriam-Webster, Accessed 8 Dec. 2022.

More from Merriam-Webster on delta wing

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.