Simple Definition of mountain
: an area of land that rises very high above the land around it and that is higher than a hill
: a very large amount of something
Full Definition of mountain
1 a : a landmass that projects conspicuously above its surroundings and is higher than a hill b : an elongated ridge
2 a : a great mass b : a vast number or quantity
Examples of mountain
She watched the sun set behind the mountains.
a cabin in the mountains
They both like mountain climbing.
We've received a mountain of mail.
Origin of mountain
Middle English, from Anglo-French muntaine, from Vulgar Latin *montanea, from feminine of *montaneus of a mountain, alteration of Latin montanus, from mont-, mons
First Known Use: 13th century
Rhymes with mountain
Seen and Heard
What made you want to look up mountain? Please tell us where you read or heard it (including the quote, if possible).