SaucissonSau`cis`son"\, Saucisse \Sau`cisse"\, 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. 2. (Fort.) A fascine of more than ordinary length.