otter

noun

ot·​ter ˈä-tər 

plural otters also otter

1

: 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

Examples of otter in a Sentence

Recent Examples on the Web

Additionally, various primate species, including up to 10 spider monkeys, will be able to travel above the otters and into their own enclosure, Zoo Director Ethan Fisher said. —Lillian Ashworth, Oc Register, 18 July 2025

The Mosaic Exhibit Hall features rotating sea life exhibits, while the Wetlands Trail provides an immersive journey through Florida’s ecosystems, which include a mangrove forest, cypress swamp and freshwater swamp, home to alligators, otters, turtles and a free-flight aviary. —Noreen Kompanik, Boston Herald, 8 June 2025

In 2010, a rabid otter attacked a 96-year-old Venice man for nearly six minutes as two good Samaritans tried to pry it off. —Richard Tribou, The Orlando Sentinel, 4 June 2025

Wildlife watchers can spot bobcats, foxes, otters, alligators, turtles and manatees, with more than 150 bird species flying among mangrove, cypress, palmetto and pine trees. —Ruffin Prevost, New York Times, 21 May 2025

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

Phrases Containing otter

• river otter
• sea otter

Rhymes for otter

• blotter
• cotter
• daughter
• hotter
• mater
• plotter
• rotter
• slaughter
• spotter
• squatter
• totter
• trotter

Kids Definition

otter

noun

ot·​ter ˈät-ər 

plural otter or otters

1

: 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

2

: the fur or pelt of an otter