nounpl. platypuses or platypi
a small, aquatic, egg-laying monotreme mammal (Ornithorhynchus anatinus) of Australia and Tasmania, with webbed feet, a beaverlike tail, and a ducklike bill; duckbill
Origin of platypusModern Latin ; from Classical Greek platypous, flatfooted ; from platys, flat (see platy-) + pous, foot
A semiaquatic egg-laying mammal (Ornithorhynchus anatinus) of eastern Australia and Tasmania, having a broad flat tail, webbed feet, a snout resembling a duck's bill, and in the male, venomous spurs on the hind legs. Also called duckbill, duck-billed platypus.
Origin of platypusNew Latin Platypūs, former genus name, from Greek platupous, flat-footed : platu-, platy- + pous, foot; see ped- in Indo-European roots.