Definition of "mountain lion" []

• Chiefly Western U.S. A large powerful wild cat (Felis concolor) of mountainous regions of the Western Hemisphere, having an unmarked tawny body. Also called catamount, mountain cat, panther, puma; also called regionally cougar, painter3. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "When Paul Beier, a mountain lion expert at Northern Arizona University, was told that 11,000 biodiverse acres of Irvine Ranch in Southern California were set aside by conservationists, he exclaimed to the Los Angeles Times: Yee-haw!"
• "The man, like the mountain lion whom Michael had encountered up the mountain, had strayed down from the wilds of Mendocino County, following the ruggedest mountain stretches, and, at night, crossing the farmed valley spaces where the presence of man was a danger to him."