A mountain is a large landform that stretches above the surrounding land in a limited area, usually in the form of a peak. A mountain is generally steeper than a hill.Mountains are formed through tectonic forces or volcanism.he highest mountains above sea level are generally not the highest above the surrounding terrain. There is no precise definition of surrounding base, but Denali, Mount Kilimanjaro and Nanga Parbat are possible candidates for the tallest mountain on land by this measure.
Princeton's WordNet(3.50 / 2 votes)Rate this definition: 1  function, office, part, role(noun) the actions and activities assigned to or required or expected of a person or group. 2  character, role, theatrical role, part, persona(noun) an actor's portrayal of someone in a play. 3  function, purpose, role, use(noun) what something is used for.
The FBIâs Role. As part of its responsibility to uphold the civil rights of the American people, the FBI takes a number of steps to combat the problem of hate crimes.