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sea lion

American  

noun

  • sea lions
    plural
  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

Other Word Forms

Noun Inflected Forms


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.

See Examples For:

"The research is particularly important for the endangered Australian sea lion, which has an estimated population of only about 12,000 animals and relies on hearing for communication, finding food, navigation and detecting threats," Erbe said.

From Barron's ● Oct. 9, 2026

Diving in the sapphire waters around it is the increasingly scarce Australian sea lion.

From BBC ● Aug. 8, 2026

A particularly massive sea lion has Bay Area tourists and residents flocking to Pier 39 in San Francisco to spot the mammal affectionately named “Chonkers.”

From Los Angeles Times ● Apr. 30, 2026

“Chonkers” is a Steller sea lion, which is a heftier variety of the species, compared to his California sea lion counterparts.

From Los Angeles Times ● Apr. 30, 2026

Sometimes for a whole day they talked in sea lion grunts or frigate bird squawks or plankton wiggles.

From "Nim’s Island" by Wendy Orr

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