A toothed implement: • A toothed implement for grooming the hair or (formerly) for keeping it in place. • A machine used in separating choice cotton fibers from worsted cloth fibers. • The toothed plate at the top and bottom of an escalator that prevents objects getting trapped between the moving stairs and fixed landings. • A toothed tool used for chasing screws on work in a lathe; a chaser. • The notched scale of a wire micrometer. • The collector of an electrical machine, usually resembling a comb. • A toothed plate used for creating wells in agar gels for electrophoresis. • A toothed wooden pick used to push the weft thread tightly against the previous pass of thread to create a tight weave. • One of a pair of peculiar organs on the base of the abdomen in scorpions, with which they comb substrate. • A ctene. • A crest: • A fleshy growth on the top of the head of some birds and reptiles; crest. • A crest (of metal, leather, etc) on a piece of armor, especially on a helmet. • The top part of a gun’s stock. • A structure of hexagon cells made by bees for storing honey; honeycomb. • The main body of a harmonica containing the air chambers and to which the reed plates are attached. • A former, commonly cone-shaped, used in hat manufacturing for hardening soft fibre. • An old English measure of corn equal to the half quarter. • The curling crest of a wave; a comber. • A connected and reduced curve with irreducible components consisting of a smooth subcurve (called the handle) and one or more additional irreducible components (called teeth) that each intersect the handle in a single point that is unequal to the unique point of intersection for any of the other teeth. • A kind of vertical plate in a lode.