LACING

La″cing (?), n. 1. 1. The act of securing, fastening, or tightening, with a lace or laces.
2. 2. A lace; specifically (Mach.), a thong of thin leather for uniting the ends of belts.
3. 3. A rope or line passing through eyelet holes in the edge of a sail or an awning to attach it to a yard, gaff, etc.
4. 4. (Bridge Building) A system of bracing bars, not crossing each other in the middle, connecting the channel bars of a compound strut. Waddell.