noun

• (countable) 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.
• (countable) Something very large in size or quantity; a huge amount; a great heap.
• (figuratively) A difficult task or challenge.
• (uncountable, now historical) Wine from Malaga made from grapes that grow on a mountain.
• (countable, slang) A woman's large breast.
• (cartomancy) The twenty-first Lenormand card.
• A placename
• A village in North Dakota, United States.
• A town in Wisconsin, United States.
• A number of townships in the United States, listed under Mountain Township.
• The Rural Municipality of Mountain, a rural municipality in western Manitoba, Canada.
• A hamlet near Queensbury, Metropolitan Borough of Bradford, West Yorkshire, England (OS grid ref SE0930).
• (countable) A surname.
• (historical, with "the") The Montagnard party in the time of the French Revolution.
• (rail transport) a steam locomotive of the 4-8-2 wheel arrangement.