Pronunciation: (tou'ur),[key] —n. 1. a building or structure high in proportion to its lateral dimensions, either isolated or forming part of a building.
2. such a structure used as or intended for a stronghold, fortress, prison, etc.
3. any of various fully enclosed fireproof housings for vertical communications, as staircases, between the stories of a building.
4. any structure, contrivance, or object that resembles or suggests a tower.
5. a tall, movable structure used in ancient and medieval warfare in storming a fortified place.
6. a vertical case designed to house a computer system standing on the floor.
7. Aviation.See control tower. 8. tower of strength, a person who can be relied on for support, aid, or comfort, esp. in times of difficulty.
—v.i. 1. to rise or extend far upward, as a tower; reach or stand high: The skyscraper towers above the city. 2. to rise above or surpass others: She towers above the other students. 3. Falconry.(of a hawk) to rise straight into the air; to ring up.
Pronunciation: (tō'ur),[key] —n. a person or thing that tows.