A usually power-driven saw with a narrow vertical blade, used to cut sharp curves.
tr.v. jig·sawed, jig·saw·ing, jig·saws
1. To cut or form with a jigsaw.
2. To arrange intricately; interlock.
(click for a larger image)jigsaw
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.