jigsaw

noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about jigsaw at Wordnik → Where our words come from →

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.
2. Fine-toothed power saw with a narrow blade; used to cut curved outlines.