A semi-aquatic, egg-laying monotreme mammal with a bill resembling that of a duck, that has a mole-like body, a tail resembling that of a beaver, a waterproof pelt, and flat webbed feet — males have poisonous spurs on the inside of the back legs; Ornithorhynchus anatinus

The platypus

plural of platypus

plural of duck-billed platypus

A place where platypuses are nurtured.

plural of platypusary

plural of platypussary

(Australia) A place where platypuses are nurtured.