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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The sea lion's new name is Irving. Andrea Nakano, CBS News, 17 Apr. 2026 Gluesenkamp Perez argued that current federal law does not allow for the removal and euthanization of sea lions at a fast enough pace. Haris Alic, The Washington Examiner, 17 Apr. 2026 On Wednesday, SeaWorld personnel released five birds and two sea lions that had been nursed back to health back into the ocean. Karen Kucher, San Diego Union-Tribune, 16 Apr. 2026 The sea lion breeding and pupping season is fast approaching at main rookeries such as the Channel Islands, according to Giancarlo Rulli, associate director of public relations for the Marine Mammal Center in Marin County. Alex Wigglesworth, Los Angeles Times, 9 Apr. 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

Browse Nearby Words

Cite this Entry

“Sea lion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20lion. Accessed 25 Apr. 2026.

Kids Definition

sea lion

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

More from Merriam-Webster on sea lion

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster