jigsaw

noun

1. Also jig saw. an electric machine saw with a narrow blade mounted vertically in a frame, for cutting curves or other difficult lines or patterns.

verb (used with object), jig·sawed, jig·sawed or jig·sawn, jig·saw·ing.

2. to cut or form with a jigsaw.

adjective

3. formed by or as if by a jigsaw: jigsaw ornamentation.

noun

1. a mechanical saw with a fine steel blade for cutting intricate curves in sheets of material
2. See jigsaw puzzle

n.

also jig-saw, “vertical reciprocating saw,” 1855, American English, from jig with its notion of “rapid up-and-down motion” + saw (n.1). Jigsaw puzzle first recorded 1906; originally one with pieces cut by a jigsaw.