n. Anything by which the memory of a person, a period, or an event is preserved or perpetuated; hence, any conspicuous, permanent, or splendid building, as a medieval cathedral, or any work of art or industry constituting a memorial of the past; a memorial.n. Specifically, a pile, pillar, or other structure erected expressly in memory of events, actions, or persons.n. A stone shaft, or a structure of stone or other enduring material, erected over a grave in memory of the dead.n. 4. A burial-vault; a tomb.n. Any enduring evidence or example; a singular or notable instance.n. In surveying and the law of conveyancing, any object, natural or artificial, fixed in the soil and referred to in a deed or other document as a means of ascertaining the location of a tract of land or any part of its boundaries.n. A treatise.n. Distinctive mark; stamp.n. =Syn. 1-3. Memento, etc. See memorial.To erect a monument in memory of.To place monuments on; adorn with monuments: as, a region monumented with glorious deeds.n. A conspicuous crag of a somewhat pillar-like and symmetrical form.