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sea lion

American  

noun

  1. any of several large eared seals, as Eumetopias jubatus Steller's sea lion, of the northern Pacific Ocean, and Zalophus californicus California sea lion, of the Pacific coast of North America.

  2. Heraldry. a monster having the forepart of a lion, webbed forepaws, and the dorsal fin and tail of a fish.


sea lion British  

noun

  1. any of various large eared seals, such as Zalophus californianus ( Californian sea lion ), of the N Pacific, often used as a performing animal

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sea lion

First recorded in 1595–1605

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

During that time, leptospirosis nearly disappeared among the sea lion population, Rulli said.

From Los Angeles Times • Aug. 19, 2025

“They want to talk about sea lion predation on salmon.”

From Slate • Jun. 9, 2025

One sea lion viewing hole also will be reconstructed, Elliot said.

From Los Angeles Times • Jun. 8, 2025

Ronan the sea lion can dance to a lot of different songs, but there is something about “Boogie Wonderland,” by Earth, Wind and Fire that really gets her going.

From Salon • Jun. 7, 2025

They were laughing so hard that they fell over and rolled around on the ground like sea lion pups.

From "Nim’s Island" by Wendy Orr