What is "horse pistol"

Usage examples of "horse pistol".

It didn't have any windows now and a child with a hairpin could unlock any lock hi it, but every night when the niggers came up from the fields Uncle Buck or Uncle Buddy would drive them into the house and lock the door with a key almost as big as a horse pistol.

The second one cocked a horse pistol and pointed it at the gentlemen.

The Indian escort was armed with lances, sabres and pistols, while McCandless carried a claymore, a horse pistol and a carbine that was holstered on his saddle.

Eli Lockhart, the long horse pistol still smoking in his hand, edged Sharpe aside to make certain Dodd was dead.

Some folks might call it a horse pistol, because it's almost as big as the pistols from before the War Between the States, and most people carried it in a strap over the saddle horn.