- a gun operated by compressed air.
Origin of air gun
First recorded in 1745–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for air gun
(firing off the last word as if it were a ball from an air-gun).Little Dorrit
"Here's your fishing-rod," she said, when I had released them and she had passed me my air-gun.
Punch and Judy, and the man with the air-gun and conspicuous mark, are also present.Foot-prints of Travel
Maturin M. Ballou
And so it happened that when the time came for him to return to Weston, he took the air-gun with him.Dr. Jolliffe's Boys
"An air-gun would have made as much noise as a revolver," he said.The Master Mummer
E. Phillips Oppenheim
- a gun discharged by means of compressed air
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