A kind of field spaniel, with short legs and stout body, which, unlike other spaniels, hunts silently.(noun)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "clumber" in a sentence
"She lives and writes in Northern Virginia with her husband, three sons, a clumber spaniel, and two red-eared sliders."
"The clumber spaniel — that lumbering lemon and white teddy bear, its square muzzle as blunt as an old-fashioned rolling pin — was once acclaimed ‘the most handsomest animal this kingdom ever produced’."
"Can't be, the black dog pictured ain't no 'rare clumber'."