a jet airplane capable of taking off and landing vertically or on an extremely short runway or flight deck.
Origin of jump jet
First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a fixed-wing jet aircraft that is capable of landing and taking off vertically
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