%goosander%

n. [ OE. gossander, a tautological word formed fr. goose + gander. Cf. Merganser. ] (Zool.) A species of merganser (M. merganser) of Northern Europe and America; -- called also merganser, dundiver, sawbill, sawneb, shelduck, and sheldrake. See Merganser. [ 1913 Webster ]