mountain

noun6

1. •
   a very big rise in the land that goes up sharply, usually to a small top

   • Everest is the highest mountain in the world.
   • We spent the weekend hiking in the mountains.
2. •
   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.
   • There's still a mountain of work to do.
3. •
   (figurative) A difficult task or challenge.

   • Five minutes into the game the Black Cats were facing a mountain, partly because of West Brom's newly-found ruthlessness in front of goal but also as a result of the home side's defensive generosity. — 2011
4. •
   (slang) A woman's large breast.
5. •
   The twenty-first Lenormand card.
6. •
   (historical) Wine from Malaga made from grapes that grow on a mountain.

noun1

1. •
   A steam locomotive of the 4-8-2 wheel arrangement.