Mount

A old photograph on a decorated mount

Mount has three main meanings.

Mountain

"Mount" is often used to mean "mountain", as part of a name e.g. Mount Vesuvius, Mount McKinley, Mount Everest.

Mount as a verb

To "mount" something means to put it onto something else.

Mount as a noun

A "mount" is a thing for mounting something on.

It might be a piece of equipment such as:

It might be a piece of stiff flat "backing" such as:

It might be an animal:

Mount in computing and software