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.
In 2023, four sea lion bite incidents were reported to CIMWI, officials said. Stacie N. Galang, USA Today, 18 Apr. 2025 Aggressive and erratic behavior isn’t the only way this toxic bloom can affect these animals, and sea lions aren’t the only infected animals. Sea Lion Attacks Recently in March 2025, two people in Southern California were attacked by an aggressive sea lion. Monica Cull, Discover Magazine, 9 Apr. 2025 Narrated by Brendan Fraser, the stunning feature film introduces Leo, a handsome sea lion pup who’s learning how to navigate life alongside his mother, Luna. Ryan Schwartz, TVLine, 31 Mar. 2025 More than two dozen sea lions and a handful of birds suspected of domoic acid poisoning have been treated at the park’s rescue operation this year. Karen Kucher, San Diego Union-Tribune, 30 Mar. 2025 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. 2025.

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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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