selvedge
Sel"vage, Sel"vedge, n. Etym: [Self + edge, i. e., its own proper edge; cf. OD. selfegge.] 1. The edge of cloth which is woven in such a manner as to prevent raveling. 2. The edge plate of a lock, through which the bolt passes. Knight. 3. (Mining.) Defn: A layer of clay or decomposed rock along the wall of a vein. See Gouge, n., 4. Raymond.