bird dog(n = noun.animal) - a gun dog trained to locate or retrieve birds;
is a kind of gun dog, sporting dog

adjutant bird, african hunting dog, african wild dog, american dog tick, american dog violet, anseriform bird, ant bird, apodiform bird, aquatic bird, attack dog, baby bird, badger dog, baltimore bird, bernese mountain dog, bird, bird cage, bird cherry, bird cherry tree, bird family, bird fancier, bird feed, bird feeder, bird food, bird genus, bird louse, bird nest, bird of jove, bird of juno, bird of minerva, bird of night, bird of paradise, bird of passage, bird of prey, bird parker, bird pepper, bird sanctuary, bird shot, bird vetch, bird watcher, blacktail prairie dog, boatswain bird, bottom dog, bower bird, butcher bird, canary bird, cant dog, cape hunting dog, caprimulgiform bird, carinate bird, carriage dog, cedar bird, chili dog, chipping bird, chrysanthemum dog, coach dog, coastal diving bird, cockyoly, bird, columbiform bird, common bird cherry, coraciiform bird, corvine bird, crab-eating dog, crocodile bird, cuculiform bird, curtail dog, devil dog, dirty dog, dog, dog bent, dog biscuit, dog bite, dog breeding, dog catcher, dog collar, dog days, dog do, dog eared, dog fennel, dog flea, dog food, dog grass, dog hobble, dog house, dog in the manger, dog laurel, dog mercury, dog paddle, dog pound, dog racing, dog rose, dog shit, dog show, dog sled, dog sleigh, dog star, dog stinkhorn, dog tag, dog tired, dog turd, dog violet, dog wrench, domestic dog, early bird, elephant bird, eskimo dog, european bird cherry, flightless bird, flying bird, frigate bird, gallinaceous bird, gallows bird, game bird, gay dog, german police dog, german shepherd dog, gooney bird, great dog, guard dog, guide dog, gun dog, hair of the dog, hearing dog, hot dog, hound dog, huia bird, humming bird, hunting dog, hyena dog, iditarod trail dog sled race, indigo bird, jail bird, limicoline bird, little dog, lyre bird, mad dog, mallee bird, maltese dog, man-of-war bird, mino bird, mocking bird, monkey dog, mound bird, myna bird, mynah bird, myrtle bird, newfoundland dog, night bird, nonpasserine bird, oceanic bird, oscine bird, pariah dog, passeriform bird, peabody bird, pelagic bird, perching bird, phoebe bird, piciform bird, police dog, policeman bird, poodle dog, prairie dog, queer bird, quetzal bird, raccoon dog, raptorial bird, rare bird, ratite bird, red dog, rifleman bird, satin bird, sausage dog, scrub bird, sea bird, sea dog, secretary bird, sedge bird, seeing-eye dog, seizure-alert dog, shaggy dog story, sheep dog, shepherd dog, shetland sheep dog, shore bird, sled dog, sledge dog, spitz dog, sporting dog, top dog, toy dog, tropic bird, tyrant bird, umbrella bird, wading bird, water bird, water dog, wheatsel bird, whidah bird, whitetail prairie dog, whydah bird, widow bird, wild dog, working dog, yard bird, young bird