Definition of platypus in English:

platypus

Syllabification: plat·y·pus
Pronunciation: /ˈpladəpəs
 
/

noun (plural platypuses)

A semiaquatic egg-laying mammal that frequents lakes and streams in eastern Australia. It has a sensitive pliable bill shaped like that of a duck, webbed feet with venomous spurs, and dense fur. Also called duckbill platypus.
  • Ornithorhynchus anatinus, the only member of the family Ornithorhynchidae, order Monotremata
More example sentences
  • The only living monotremes are the platypuses and the echidnas.
  • The mammals the researchers studied were the platypus, echidna, opossum, wallaby, hedgehog, mouse, rat, rabbit, cow, pig, bat, tree shrew, colugo, ringtail lemur, and humans.
  • Two of the most amazing mammals on Earth are the naked mole-rat and the platypus.

Origin

late 18th century: modern Latin, from Greek platupous 'flatfooted', from platus 'flat' + pous 'foot'.

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