tower

A very tall iron-framed structure, usually painted red and white, on which microwave, radio, satellite, or other communication antennas are installed; mast.

A similarly framed structure with a platform or enclosed area on top, used as a lookout for spotting fires, plane crashes, fugitives, etc.

A water tower.

A control tower.

Any very tall building or structure; skyscraper.

(figuratively) Any item, such as a computer case, that is usually higher than it is wide.

(informal) An interlocking tower.

(figuratively) A strong refuge; a defence.

(historical) A tall fashionable headdress worn in the time of King William III and Queen Anne.

(obsolete) High flight; elevation.

The sixteenth trump or Major Arcana card in many Tarot decks, usually deemed an ill omen.

(cartomancy) The nineteenth Lenormand card, representing structure, bureaucracy, stability and loneliness.