Definition of otter in English:


Syllabification: ot·ter
Pronunciation: /ˈätər


  • A semiaquatic fish-eating mammal of the weasel family, with an elongated body, dense fur, and webbed feet.
    • Lutra and other genera, family Mustelidae: several species, including the river otter (L. canadensis) . See also sea otter
    More example sentences
    • The weasel family includes such colourful characters as otters, wolverines, skunks, minks and badgers.
    • As members of the marten family, giant otters are susceptible to both diseases.
    • It also walks on the soles of its feet like a bear, but the resemblance ends there, as the badger is actually from the same family as otters and weasels.


Old English otr, ot(t)or, of Germanic origin; related to Greek hudros 'water snake'.

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