CARCASSE, or CARCUS, in the art of war, an iron case, or hollow capacity, about the bigness of a bomb, of an oval figure, made of ribs of iron, filled with combustible matters, as meal powder, saltpetre, sulphur, broken glass, shavings of horn, turpentine, tallow, &c. It has two or three apertures out of which the fire is to blaze, and the design of it is to be thrown out of a mortar, to set houses on fire, and do other execution. It has the name carcasse, because the circles which pass from one ring or plate to the other seem to represent the ribs of a human carcass.