What is the meaning of Tower?

A tall, narrow structure (significantly taller than it is wide, either standing alone or forming part of a larger structure.

A very tall open-framed structure on which communications devices are installed.

A similarly framed structure with a platform or enclosed area on top.

A control tower.

A skyscraper.

An item of various kinds, such as a computer case, that is higher than it is wide.

A strong refuge; a defence.

Each of a set of information technology concerns within a business, which are treated separately so that they can be handled by different providers.

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

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

A group of giraffes.

(Can we verify this sense?) A metal stand used as a pivot to support a punty at a furnace.

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

High flight; elevation.

To be very tall.

To be high or lofty; to soar.

To soar into.

One who tows.

alternative form of toor

Source: wiktionary.org