Router

·noun A plane made like a spokeshave, for working the inside edges of circular sashes.

II. Router ·noun A plane with a hooked tool protruding far below the sole, for smoothing the bottom of a cavity.

III. Router ·add. ·noun A machine with a rapidly revolving vertical spindle and cutter for scooping out the surface of wood or metal, as between and around the engraved parts of an Electrotype.