mountain
noun.
a land mass that projects well above its surroundings; higher than a hill
Synonym: mount
noun.
(often followed by `of') a large number or amount or extent
a batch of letters|a deal of trouble|a lot of money|he made a mint on the stock market|see the rest of the winners in our huge passel of photos|it must have cost plenty|a slew of journalists|a wad of money