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.
- A tall, four-sided shaft of stone, usually tapered and monolithic, that rises to a pointed pyramidal top.
- Printing The dagger sign (†), used especially as a reference mark. Also called dagger, obelus.