palmiped

from The Collaborative International Dictionary of English v.0.48

Palmiped \Pal"mi*ped\, a. [L. palmipes, -edis, broad-footed;
   palma the palm of the hand + pes a foot; cf. F.
   palmip[`e]de.] (Zool.)
   Web-footed, as a water fowl. -- n. A swimming bird; a bird
   having webbed feet.
   [1913 Webster]