noun, plural can·vas·backs, (especially collectively) can·vas·back.
Origin of canvasback
Examples from the Web for canvasback
Historical Examples of canvasback
Canvasback ducks are considered the finest of the water-fowls for the table.
The canvasback duck is so called from the appearance of the feathers on the back.
The Redhead closely resembles in flavor the Canvasback, and often is mistaken for it.The Century Cook Book
He is a twin brother of the Canvasback, and quite as good to eat.Citizen Bird
Mabel Osgood Wright and Elliott Coues
The red-head, both species of the scaups, the canvasback and the ruddy are commonly found on the fresh-waters.Game Birds and Game Fishes of the Pacific Coast
Harry Thom Payne