jigsaw 
1. a portable power saw with a reciprocating blade; can be used with a variety of blades depending on the application and kind of cut; generally have a plate that rides on the surface that is being cut • Syn: saber saw, reciprocating saw • Hypernyms: power saw, saw, sawing machine 2. fine-toothed power saw with a narrow blade; used to cut curved outlines • Syn: scroll saw, fretsaw • Hypernyms: power saw, saw, sawing machine
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