sea lion

noun

: any of several Pacific eared seals (such as genera Eumetopias and Zalophus) that are usually larger than the related fur seals and lack a thick underfur

Examples of sea lion in a Sentence

Recent Examples on the Web
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Spend a day among the absurdly picturesque hamlet’s boutique shops, restaurants, seals, and sea lions. Chadd Scott, Forbes.com, 1 June 2026 The sea lion then dives back underwater as the canoe sails past, where the marine mammal last appeared. Kimberlee Speakman, PEOPLE, 29 May 2026 No cones were seen during a recent visit to La Jolla Cove, and a ranger onsite said multiple cones are not being used, though one might be placed if a sea lion pup is on the beach. Ashley MacKin Solomon, San Diego Union-Tribune, 28 May 2026 Lytvynchuk is a fisherman and thought the seal was an aggressive sea lion, the lawyer said. CBS News, 27 May 2026 See All Example Sentences for sea lion

Word History

First Known Use

1697, in the meaning defined above

Time Traveler
The first known use of sea lion was in 1697

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Cite this Entry

“Sea lion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20lion. Accessed 7 Jun. 2026.

Kids Definition

sea lion

noun
: any of several large Pacific seals that have small ears on the outside of the body

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