swing-wing

[swing-wing]

adjective

(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. 2019

British Dictionary definitions for swing-wing

swing-wing

adjective

of or relating to a variable-geometry aircraft

noun

such an aircraft
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