Definition from Wiktionary, the free dictionary
haw-haw (plural haw-haws)
- Alternative form of (a ditch acting as a sunken fence)
- One line of steps we traced from the spot to the haw-haw; they were very distinct upon the turf; the heel was toward the haw-haw, the toe toward the spot where the murder was committed. — George Payne Rainsford James.