gun-slide

“As soon as the gun is out, Nos. 11 and 12 unship truck-crank and place it clear of gun-slide.”

Ordnance Instructions for the United States Navy. 1866. Fourth edition.

“There was a game cock inside, and, instead of being frightened at his sudden release, he jumped up on a gun-slide, clapped his wings, and crowed lustily.”

The Naval War of 1812 Or the History of the United States Navy during the Last War with Great Britain to Which Is Appended an Account of the Battle of New Orleans

“It seems that one of the shots from the British vessel _Linnet_ demolished a hencoop on the deck of the _Saratoga_, releasing this gamecock, and that he flew to a gun-slide, where he alighted, then clapped his wings and crowed lustily.”

Elsie's Vacation and After Events