Mountain \Moun"tain\, n. [OE. mountaine, montaine, F. montagne, LL. montanea, montania, fr. L. mons, montis, a mountain; cf. montanus belonging to a mountain. See 1st Mount.]

1. A large mass of earth and rock, rising above the common level of the earth or adjacent land; earth and rock forming an isolated peak or a ridge; an eminence higher than a hill; a mount.

2. pl. A range, chain, or group of such elevations; as, the White Mountains.

3. A mountainlike mass; something of great bulk.

I should have been a mountain of mummy. --Shak.

The Mountain (--La montagne) (French Hist.), a popular name given in 1793 to a party of extreme Jacobins in the National Convention, who occupied the highest rows of seats.

Source: Webster's Revised Unabridged Dictionary (1913)