I. ˈjig-ˌsȯ noun
Date: 1873
1. : scroll saw 2
2. : a light portable electric saw with a vertically reciprocating blade that is used especially for cutting curves
3. : jigsaw puzzle
II. transitive verb
Date: 1873
1. : to cut or form by or as if by a jigsaw
2. : to arrange or place in an intricate or interlocking way
III. adjective
Date: 1884
: suggesting a jigsaw puzzle or its separate pieces