swing-wing

[swing-wing]
adjective
  1. (of an airplane) having wings whose horizontal angle to the fuselage centerline can be adjusted fore and aft to optimize aerodynamic performance at widely differing speeds.

Origin of swing-wing

First recorded in 1965–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for swing-wing

swing-wing

adjective
  1. of or relating to a variable-geometry aircraft
noun
    1. such an aircraft
    2. either wing of such an aircraft
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