from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A puzzle consisting of a mass of irregularly shaped pieces of cardboard, plastic, or wood that form a picture when fitted together. Also called picture puzzle.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A type of puzzle in which the aim is to reconstruct a picture that has been cut (originally, with a jigsaw) into many small interlocking pieces.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a puzzle that requires you to reassemble a picture that has been mounted on a stiff base and cut into interlocking pieces
jigsaw + puzzle (Wiktionary)