saucisson

{ ‖ } n. [ F., fr. saucisse sausage. See Sausage. ] 1. (Mining or Gun.) A long and slender pipe or bag, made of cloth well pitched, or of leather, filled with powder, and used to communicate fire to mines, caissons, bomb chests, etc. [ 1913 Webster ]

2. (Fort.) A fascine of more than ordinary length. [ 1913 Webster ]