|Origin:||montaigne, from Latin montanus, from mons; MOUNT2|
moun‧tain S3 W3 [countable]
a very high hill:
the highest mountain in Austria
the Rocky Mountains
a steep mountain road
magnificent mountain ranges (=lines of mountains)
snow-capped mountain peaks (=tops of mountains)
a mountain rescue team (=a group of experienced climbers who help people to safety from a mountain)
She was the first British woman to climb the mountain.
a very large pile or amount of something:
I've got mountains of paperwork to deal with.
Her husband went off with another woman and left her facing a mountain of debt.
a very large amount of food, butter etc that has been produced but is not needed or used [↪ lake]
to treat a problem as if it was very serious when in fact it is not
5 British English
used to say that someone has a lot of work to do to achieve their aim, especially when you believe it will be difficult