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In early military engineering, a saucisson (French for a large, dry-filled sausage) was a primitive type of fuse, consisting of a long tube or hose of cloth or leather, typically about an inch and half in diameter (37 mm), damp-proofed with pitch and filled with black powder. It was normally laid in a protective wooden trough, and ignited by use of a torch or slow match. Saucissons were used to fire fougasses, petards, mines and camouflets.
Very long fascines were also called saucissons.