mountain lion
Americannoun
noun
Other Word Forms
Noun Inflected Forms
Etymology
Origin of mountain lion
An Americanism dating back to 1855–60
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.
Researchers studying a small suburban preserve about 45 miles south of San Francisco discovered that as mountain lion activity increased, the behavior of many other animals changed as well.
From Science Daily ● Jun. 28, 2026
As mountain lion activity increased, coyotes and bobcats were observed less frequently.
From Science Daily ● Jun. 28, 2026
During the study period, cameras captured images of a mother mountain lion accompanied by kittens.
From Science Daily ● Jun. 28, 2026
Wildlife officials successfully tranquilized a mountain lion that was spotted roaming in a front yard in Santa Monica, following several tense hours where residents were warned to stay indoors.
From Los Angeles Times ● Jun. 6, 2026
A moment later, Dodger froze again as a small herd of bighorn sheep thundered past, going the same direction as the pikas and the mountain lion.
From "Two Degrees" by Alan Gratz
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.