noun | ob·e·lisk | äbəˌlisk/
A tall, four-sided shaft of stone, usually tapering, that rises to a pyramidal point. A monolith is sometimes an obelisk. Often placed at the entrances of Egyptian temples in ancient times, obelisks continue to be favored as a shape for monuments or landmarks in the Western world.
Art History Glossary: A helpful list of art and architecture terms to support curious rookies.