n. a kind of large gray goose, Branta canadensis, with a black head and neck and white cheek patches.
See also: Canada goose
- 1785  (1916)  [We saw] a very large species of gray goose--they have a deep harsh note, and are called Gronkers, by others Barren Geese, from its being assumed that they never lay eggs.
- 1959  Eastern Canada Goose [is also called . . . gronker. . . .