Apartment \A*part"ment\, n. [F. appartement; cf. It. appartamento, fr. appartare to separate, set apart; all fr. L. ad + pars, partis, part. See Apart.]

1. A room in a building; a division in a house, separated from others by partitions. --Fielding.

2. A set or suite of rooms. --De Quincey.

3. A compartment. [Obs.]

--Pope.

Source: Webster's Revised Unabridged Dictionary (1913)