tower

noun

A building or part of a building that is exceptionally high in proportion to its width and length.

A tall, slender structure used for observation, signaling, or pumping.

One that conspicuously embodies strength, firmness, or another virtue.

A computer system whose components are arranged in a vertical stack and housed in a tall, narrow cabinet.

intransitive verb

To appear at or rise to a conspicuous height; loom.