/shay"peuhr/ , n.
1. a person or thing that shapes.
2. a machine tool for forming flat surfaces, consisting of a frame, usually horizontal, on which the work is held while a cutting tool moves along it with a reciprocating motion. Cf. planer (def. 2).
3. (in woodworking) a stationary power tool driving a vertical spindle to which cutters are locked, used in joinery and for forming decorative edges.
[ 1250-1300; ME; see SHAPE, -ER 1 ]