What is the meaning of Gallery?

An institution, building, or room for the exhibition and conservation of works of art.

An establishment that buys, sells, and displays works of art.

The uppermost seating area projecting from the rear or side walls of a theater, concert hall, or auditorium.

The spectators at an event, collectively.

The part of a courtroom, often elevated and in the rear, where seating for the public audience is facilitated during trial.

A roofed promenade, especially one extending along the wall of a building and supported by arches or columns on the outer side.

A browsable collection of images, font styles, etc.

A covered passage cut through the earth or masonry.

A level or drive in a mine.

A channel that carries engine oil to parts of the engine that need lubrication, such as the main bearings.

The production control room.

A part of a monocle–a projection off the ring holding the lens–which helps secure the monocle in the eye socket.

The boring trails produced by an insect in wood.

Short for gallery forest.

To show off.

Source: wiktionary.org