zigsaw, zigzaw
obs. varr. jig-saw n. b.
| 1912 H. Maxwell Early Chron. Rel. Scotl. I. 16 One of those zigzaw puzzles which had a fleeting vogue two or three years ago. 1919 D. Wyllarde Holiday Husb. xiii. 167 As neatly as if she had found the right pieces of a zigsaw puzzle. |