Selvage meaning : The edge of a woven fabric, where the weft (side-to-side) threads run around the warp (top to bottom) threads, creating a finished edge. Any edge of fabric finished so as to prevent raveling. The excess area of any printed or perforated sheet, such as the border on a sheet of postage stamps or the wide margins of an engraving. A distinct border of a mass of igneous rock. It is usually fine-grained or glassy due to rapid cooling. Clay-like material found along and around a geological fault. The edge plate of a lock, through which the bolt passes. That part of a lode adjacent to the walls on either side.