Obelisk

Part of speech: noun (n.)

1. An upright, four-sided pillar, gradually tapering as it rises, and terminating in a pyramid called pyramidion. It is ordinarily monolithic. Egyptian obelisks are commonly covered with hieroglyphic writing from top to bottom.

2. A mark of reference; -- called also dagger [&dag;]. See Dagger, n., 2.

Part of speech: verb (v.)

To mark or designate with an obelisk.