From The Collaborative International Dictionary of English v.0.48 :
Goosander \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.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 :
Sawneb \Saw"neb`\, n.
A merganser. [Prov. Eng.]
[1913 Webster]