a dog trained to help a hunter, as by pointing or retrieving game.
Origin of gun dog
First recorded in 1735–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a dog trained to work with a hunter or gamekeeper, esp in retrieving, pointing at, or flushing game
a dog belonging to any breed adapted to these activities
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