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

To their surprise and excitement, the otter experts noticed a set of photos from February 2024 showing a Eurasian otter — the country’s first sighting of the species in 11 years, the organization told McClatchy News via email. —Aspen Pflughoeft july 11, Miami Herald, 11 July 2025

The six-acre park has roughly 190 animals to see, which include bald eagles, porcupines, otters, emus and laughing kookaburras. —Katie Wiseman, IndyStar, 10 July 2025

While native fauna spans from the northern river terrapin to the Asian small-clawed otter, the park is best known for one animal in particular: the Bengal tiger. —Jared Ranahan, Forbes.com, 28 June 2025

The species has rightfully earned the nicknames lasagna lizard, snot otter and devil dog. —Michelle Mastro, Smithsonian Magazine, 16 June 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