(1):
(n.) A cunning or artful fellow.
(2):
(n.) An artistic worker; a mechanic or manufacturer; one whose occupation requires skill or knowledge of a particular kind, as a silversmith.
(3):
(n.) One who makes or contrives; a deviser, inventor, or framer.
(4):
(n.) A military mechanic, as a blacksmith, carpenter, etc.; also, one who prepares the shells, fuses, grenades, etc., in a military laboratory.