a building or structure high in proportion to its lateral dimensions, either isolated or forming part of a building.

such a structure used as or intended for a stronghold, fortress, prison, etc.

any of various fully enclosed fireproof housings for vertical communications, as staircases, between the stories of a building.

any structure, contrivance, or object that resembles or suggests a tower.

a tall, movable structure used in ancient and medieval warfare in storming a fortified place.

a tall, vertical case with accessible horizontal drive bays, designed to house a computer system standing on a desk or floor. Compare minitower.

Aviation . control tower.

to rise or extend far upward, as a tower; reach or stand high

The skyscraper towers above the city.

to rise above or surpass others

She towers above the other students.

Falconry . (of a hawk) to rise straight into the air; to ring up. ?

tower of strength, a person who can be relied on for support, aid, or comfort

esp. in times of difficulty.

noun

belfry , castle , citadel , cloud buster , column , fort , fortification , fortress , high rise , keep , lookout , mast , minaret , monolith , obelisk , pillar , refuge , skyscraper , spire , steeple , stronghold , turret

verb

ascend , be above , dominate , exceed , extend above , look down , look over , loom , mount , overlook , overtop , rear , soar , surmount , surpass , top , transcend , belfry , brattice , campanile , castle , exalt , minaret , monolith , outshine , pillar , raise , rise , rise above , silo , skyscraper , spire , steeple , turret , ziggurat