1. something erected in memory of a person, event, etc., as a building, pillar, or statue: the Washington Monument.
2. any building, megalith, etc., surviving from a past age, and regarded as of historical or archaeological importance.
3. any enduring evidence or notable example of something: a monument to human ingenuity.
4. an exemplar, model, or personification of some abstract quality, esp. when considered to be beyond question: a monument of middle-class respectability.
5. an area or a site of interest to the public for its historical significance, great natural beauty, etc., preserved and maintained by a government.
6. a written tribute to a person, esp. a posthumous one.
7. Survey.an object, as a stone shaft, set in the ground to mark the boundaries of real estate or to mark a survey station.
8. a person considered as a heroic figure or of heroic proportions: He became a monument in his lifetime.
a. Obs.a tomb; sepulcher.
b. a statue.
1. to build a monument or monuments to; commemorate: to monument the nation's war dead.
2. to build a monument on: to monument a famous site.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.