dull - not having a sharp edge or point; the knife was too dull to be of any use. sharp - having or made by a thin edge or sharp point; suitable for cutting or piercing; a sharp knife; a pencil with a sharp point.
Herping is the act of searching for amphibians or reptiles. The term, often used by professional and amateur herpetologists, comes from the word herp, which comes from the same Greek root as herpetology, herpet-, meaning creeping.
Lapping is a machining process, in which two surfaces are rubbed together with an abrasive between them, by hand movement or using a machine.he small plate shown in the first picture is a hand lapping plate. That particular plate is made of cast iron. In use, a slurry of emery powder would be spread on the plate and the workpiece simply rubbed against the plate, usually in a figure-eight pattern.