Sawdust

n. Dust or small fragments of wood, stone, or other material, made by the attrition of a saw. — Saw'-fish.w. A cartilaginous fish, closely allied to the shark: it has the upper jaw prolonged into a long beak or snout, with teeth arranged along both edges. — -fly, n. One of a family of insect, the females of which are furnished with an ovipositor toothed like a saw, Saw-fish. for boring holes for their eggs in the twigs and stems of plants.— -mill, A mill for sawing timber or marble, etc. — -pit, A pit over which timber is sawed by two men, one standing below the timber and the other above. -set, n. An instrument used to set or turn the teeth of a saw a little outward. — See's aw, n. A play among children, in which 2 persons, seated upon opposite ends of a board supported in the middle, move alternately up and down; a board adjusted for this purpose; a vibratory or reciprocating motion.— v. i. [seesawed (-sawd), -sawing.] To move backward and forward, or upward and downward, — Moving up and down, or to and fro; having a reciprocating motion. Saxifrage, Saxifragous. See under Sa afras.