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n. 1. Abbr. Mt. or Mtn. A natural elevation of the earth's surface having considerable mass, generally steep sides, and a height greater than that of a hill. 2. a. A large heap: a mountain of laundry. b. A huge quantity: a mountain of trouble. [Middle English mountaine, from Old French montaigne, muntaigne, from Vulgar Latin *montānea, from feminine of *montāneus, of a mountain, from Latin montānus, from mōns, mont-, mountain; see men-2 in the Appendix of Indo-European roots.] mountain·y adj. |
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