The AI-powered English dictionary
plural platypuses or platypus or (common, hypercorrect) platypi or (rare) platypodes
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. quotations examples
Victoria's Healesville Sanctuary is celebrating the births of two baby platypuses, in a major milestone.
2008 March 2, “Captive platypus twins make history”, in ABC News