Goos"an`der (?), 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.
© Webster 1913.