The sloping surface of a mountain.
The cabin sits peacefully on the steep mountainside.
Flowers bloom along the sunny mountainside.
✦ Mid-19th century: from mountain + side.
a very high piece of land that rises far above the surrounding area, often with steep sides and a pointed or rounded top
We climbed the mountain and watched the sunrise from the top.
Snow covered the mountain all year round.
✦ From Old French montagne, from Latin montānea, meaning “mountainous region,” derived from mōns “mountain”.
a very large pile or great amount of something
I have a mountain of homework to finish tonight.
There was a mountain of dirty dishes in the sink.