sea otter

noun

: a rare marine otter (Enhydra lutris) of the northern Pacific coasts that may attain a length of six feet (two meters), is chiefly brown but with lighter coloration on the back of the head and neck, and feeds largely on shellfish

Examples of sea otter in a Sentence

Recent Examples on the Web
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Kayak among kelp forests and lounging sea otters, bicycle along the 18-mile-long Monterey Bay Coastal Recreation Trail, or go for a swim in the waters of Lovers Point Park. Laura Kiniry, Smithsonian Magazine, 9 June 2025 Our care team will work diligently to set this sea otter up for success as a surrogate, too. Kelli Bender, People.com, 14 May 2025 In fact, throughout the world, orcas of every age have presented prey to humans, and just about everything was on the menu: from sea otters, harbor seals, and gray whales, to green turtles, eagle rays, starfish, jellyfish, and even common murres, just to name a few species. Grrlscientist, Forbes.com, 2 July 2025 Sleek sea otters dive and twirl in a tank before awed visitors. Lila Seidman, Los Angeles Times, 6 Feb. 2025 See All Example Sentences for sea otter

Word History

First Known Use

1664, in the meaning defined above

Time Traveler
The first known use of sea otter was in 1664

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Cite this Entry

“Sea otter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20otter. Accessed 6 Aug. 2025.

Kids Definition

sea otter

noun
: a large marine otter of northern Pacific coasts that feeds mostly on shellfish (as clams, crabs, and sea urchins) and can grow to nearly six feet (two meters) in length

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