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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Some characters introduced in recent years include Gordo at Fresno Yosemite International Airport in California and Jett the sea otter at Seattle-Tacoma International Airport. Michael Salerno, USA Today, 8 Feb. 2026 Keep an eye out for puffins, sea otters, and humpback whales. Stacey Leasca, Travel + Leisure, 15 Dec. 2025 Sharing the dramatic life experiences of a sea otter family was truly special. Jan Wagner, San Diego Union-Tribune, 5 Dec. 2025 Live cameras for Japanese macaques, sea otters and penguins who stay at the Detroit Zoo are available online. Jalen Williams, Freep.com, 2 Dec. 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 14 Feb. 2026.

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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