noun An elevation of land of considerable dimensions rising more or less abruptly, forming a conspicuous figure in the landscape, usually having a small extent of surface at its summit. .mw-parser-output .defdate{font-size:smaller}
Everest is the highest mountain in the world.
noun Something very large in size or quantity; a huge amount; a great heap.
He was a real mountain of a man, standing seven feet tall.
noun A difficult task or challenge.
noun Wine from Malaga made from grapes that grow on a mountain.