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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From there, beach goers can go swimming, biking, and even spot seals and sea lions from its shores. Michael Cappetta, Travel + Leisure, 19 Feb. 2026 The team plans to return the sea lion to La Jolla Cove once more. Ashley MacKin Solomon, San Diego Union-Tribune, 14 Feb. 2026 Cook studies animal cognition at UC Santa Cruz and New College of Florida and over a decade ago, helped train Ronan the sea lion to bob to the rhythm of a metronome. Luis Melecio-Zambrano, Mercury News, 31 Jan. 2026 According to Animal Justice, at least 19 beluga whales, three sea lions, one dolphin and multiple penguins and sea lions have died at Marineland since 2019. Michelle Del Rey, USA Today, 27 Jan. 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 21 Feb. 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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