n. One who laps with the tongue.n. In entomology, one of the tropin or mouth-organs which are used for lapping honey or other food, as the tongue of a bee.n. One who laps.n. One who uses a lap, as in a lapidary's work.n. In cotton manufacturing, a machine which receives the scutched cotton from the batting-and blowing-machine, and compacts it into a lap or fleece upon the surface of a roller called a lap-roller.A Scotch form of lopper.