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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From humpback and killer whales to sea otters and sea lions, seeing these majestic creatures frolicking in their natural habitats is thrilling. Sharael Kolberg, Travel + Leisure, 15 June 2025 Vancouver, the largest city of the province, serves as a gateway to the region, which is home to a host of marine life like Steller sea lions, sea otters and Pacific octopuses. The New York Times, San Diego Union-Tribune, 15 June 2025 Its 70-foot-high kelp forest and marine wildlife, including lingcod, rockfish, harbor seals, sea otters, and sea stars, make the Reserve a famous diving and snorkeling location. Emese MacZko, Forbes.com, 11 June 2025 Audubon Aquarium of the Americas, New Orleans Situated on the Mississippi River waterfront of downtown New Orleans, the aquarium is home to thousands of marine animals, many endangered and ranging from penguins and sea otters to jellyfish and seahorses. Noreen Kompanik, Boston Herald, 8 June 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 2 Jul. 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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