: any of various largely aquatic carnivorous mammals (such as genus Lutra or Enhydra) of the weasel family that usually have webbed and clawed feet and dark brown fur
2
: the fur or pelt of an otter
Illustration of otter
otter 1
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The zoo enlisted a professional tracker to help find both otters.—Rachel Raposas, People.com, 4 June 2025 These types are symbolized by animals: lion, otter, golden retriever and beaver.—Nancy Pulciano, Rolling Stone, 23 May 2025 By comparison, bringing a single otter back to the ecosystem can take significant time and investment.—Lila Seidman, Los Angeles Times, 11 Apr. 2025 There’s a large theater space, believed to be designed in the hopes of Disneyland becoming a television production locale, and a significant plot dedicated to a river with surrounding attractions — the map calls for a space for otters, as well as a swamp area.—Todd Martens, Los Angeles Times, 13 May 2025 See All Example Sentences for otter
Word History
Etymology
Middle English otre, oter, otir, going back to Old English otr, oter, otor, going back to Germanic *utra- (whence also Middle Dutch otter "otter," Old High German ottar, Old Norse otr), going back to Indo-European *ud-r-o- "aquatic animal" (whence also Sanskrit udráḥ "aquatic animal, otter," Avestan udra-) with a feminine variant *ud-r-eh2-, whence Latin lutra "otter" (with unetymological l- and -t-), Russian výdra, Bosnian-Croatian-Serbian vȉdra, Lithuanian ū́dra, Old Prussian udro (Balto-Slavic with vowel lengthening and acute accent), Greek hýdra "aquatic snake, hydra" (also hýdros "the grass snake Natrix natrix," énydris "otter"); both forms zero-grade derivatives of Indo-European *u̯ód-r-/*u̯ed-n- "water" — more at water entry 1
First Known Use
before the 12th century, in the meaning defined at sense 1
Time Traveler
The first known use of otter was
before the 12th century
: any of several water-dwelling mammals that are related to the weasels and minks, have webbed feet with claws and dark brown fur, and feed on other animals (as fish, clams, and crabs) that live in or near the water compare sea otter
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