Dictionary.com
Thesaurus.com

jigsaw puzzle

American  
[jig-saw puhz-uhl] / ˈdʒɪgˌsɔ ˌpʌz əl /

noun

  1. Also called picture puzzle.  a set of irregularly cut pieces of pasteboard, wood, or the like that form a picture or design when fitted together.

  2. any complex, confusing situation, condition, or item, as one composed of seemingly diverse or unrelated elements.

jigsaw puzzle British  

noun

  1. a puzzle in which the player has to reassemble a picture that has been mounted on a wooden or cardboard base and cut into a large number of irregularly shaped interlocking pieces

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of jigsaw puzzle

First recorded in 1905–10

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.