Nautical, a projecting balcony on each of the quarters, and sometimes on the stern, of a large ship; also, a small structure on the quarters of a ship, containing the water-closet and bath-tub.(noun)
The Century Dictionary (Public Domain)
Use "quarter-gallery" in a sentence
"A soldier of the 69th Regiment having broken the upper quarter-gallery window, I jumped in myself, and was followed by others as fast as possible."
"She leaned over the quarter-gallery, and looked back and back toward England far away; and as she looked she sang:"
"And Nelson was covered with dust from the quarter-gallery of a pounded ship, which he had not stopped to brush away."