Găl'ler-y, n.

noun

n. [Fr. galerie, Sp. & Pg. galeria, It. galleria, L. Lat. galerii, galleria, a gallery, originally a festal hall, a banqueting hall, O. Fr. galerie, a rejoicing, festival, from gale, magnificence, feast. See GALA.]

A long and narrow corridor, or place for walking; a connecting passage-way, as between one room and another, or between one part of a mine and another, and the like.
A room for the exhibition of works of art; as, a picture gallery; hence, also, a collection of paintings, sculptures, and the like.
A long and narrow platform attached to one or more sides of a public hall or the interior of a church, and supported by brackets or columns;—intended to be occupied by musicians or spectators; sometimes designed merely to increase the capacity of the hall.
(Naut.) A frame, like a balcony, projecting from the stern or quarter of a ship. That part at the stern is called the stern-gallery; that at the quarters, the quarter-gallery. Totten.
(Fort.) Any communication which is covered overhead as well as at the sides. When prepared for defense, it is a defensive gallery.