Lap′ping.
1. Grinding or polishing on wheels whose metallic rims are provided with emery and oil. Glazing is done on wooden wheels. Polishing on leather-covered wheels. Buffing on leather, with rouge.2. (Spinning.) Laying several fleeces or slivers together. See lapping-machine.
3. (Fabric.) A machine blanket used by calicoprinters.
4. (Ordnance.) Wearing away the land surface in a rifled gun to ease the entrance of the projectile.
Lapping-machines. |