river otter

noun

A common European otter (Lutra lutra).

Similar
river wolfLutra canadensis
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounriver otter (plural river otters)

plural river otters

  1. A common European otter (Lutra lutra).
  2. Any otter of the four species in genus Lontra.
    1. Lontra canadensis (North American river otter)
    2. Lontra felina (marine otter, sea cat)
    3. Lontra longicaudis (South American river otter)
    4. Lontra provocax (southern river otter)
  3. A giant river otter (Pteronura brasiliensis)

    Synonyms: river wolf

Synonyms & antonyms

nounA giant river otter (Pteronura brasiliensis)

Similar
river wolf

More synonyms by meaning

nounsociable aquatic animal widely distributed along streams and lake borders in North America

Similar
Lutra canadensis
Broader
otter
Also see
european otter

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

river otter. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/river%20otter

MLA

“river otter.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/river%20otter. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “river otter,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/river%20otter.

Source: river otter on Wiktionary, CC BY-SA 4.0.