n. An obsolete or archaic form of ribbon.n. In ship-building: A piece of timber extending the length of the square body of a vessel, used to secure the frames in position until the outside planking is put on.n. A square timber of the slip fastened lengthwise in the bilgeways to prevent the timbers of the cradle from slipping outward during launching. See cut under launching-ways.n. A scantling of wood, about 15 feet long and 4 inches square, used in rack-lashing gun-platforms to keep the platform secure: also used for mortar-platforms. Two rib-bands accompany every platform.