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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There were also die-offs of seals, sea lions and marine birds, Leising said, probably from a combination of a lack of food and harmful algal blooms, and less food out there for baleen whales. Los Angeles Times, 15 June 2026 Such algae blooms — which have been linked more commonly to deaths of sea lions, pelicans and other smaller animals — can worsen during marine heat waves like the one that has been affecting much of the Pacific Ocean off California all year from the Bay Area to San Diego, scientists said Monday. Paul Rogers, Mercury News, 15 June 2026 Its Historic Bayfront has a strip of seafood markets, dockside restaurants, and candy shops where sea lions have claimed the docks beneath the boardwalk. Iona Brannon, Travel + Leisure, 14 June 2026 Seals, sea lions, baleen whales and seabirds all experienced die-offs, likely because of a lack of food and an increase in toxins from algal blooms, Leising said. Evan Bush, NBC news, 11 June 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 19 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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