ADJ. giant, huge | 200-piece, etc.
QUANT. bit, piece One piece of the jigsaw is still missing.
VERB + JIGSAW do I used to enjoy doing jigsaws. | piece together (figurative) The police managed to piece together the jigsaw and reconstruct the victim's last hours. | finish
JIGSAW + NOUN puzzle | piece
PHRASES a piece in a jigsaw (figurative) This is another piece in the jigsaw that will help us understand the biology of cancer.