A long and narrow corridor, or place for walking; a connecting passageway, as between one room and another; also, a long hole or passage excavated by a boring or burrowing animal.
2.
A room for the exhibition of works of art; as, a picture gallery; hence, also, a large or important collection of paintings, sculptures, etc.
3.
A long and narrow platform attached to one or more sides of public hall or the interior of a church, and supported by brackets or columns; sometimes intended to be occupied by musicians or spectators, sometimes designed merely to increase the capacity of the hall.
4.
(Naut.) A frame, like a balcony, projecting from the stern or quarter of a ship, and hence called stern gallery or quarter gallery, seldom found in vessels built since 1850.
5.
(Fort.) Any communication which is covered overhead as well as at the sides. When prepared for defense, it is a defensive gallery.
Whispering gallery, or Whispering dome, one of such a form that sounds produced in certain parts of it are concentrated by reflection from the walls to another part, so that whispers or feeble sounds are audible at a much greater distance than under ordinary circumstances. The dome of the U. S. capitol building is one example.
... to have been built purposely in such a way, that the bishop, or dean, or dignitary, who should preach there, might not be obliged to strain his voice too much. I was now conducted to that part which is called the whispering gallery, which is a circumference of prodigious extent, just below the cupola. Here I was directed to place myself in a part of it directly opposite to my conductor, on the other side of the gallery, so that we had the whole breadth of the church between us, and here ... — Travels in England in 1782 • Charles P. Moritz Read full book for free!