Chinese goose

1 :  a very large wild goose (Anser cygnoides synonym Cygnopsis cygnoides) of northeastern Asia that interbreeds freely with the grayleg and is probably an ancestor of various eastern domesticated geese

2 :  a brown or white goose of a breed that originated in China probably from the Chinese goose and is distinguished by upright carriage, large knob at the base of the bill, and small size