haw-haw Meaning, Definition & Usage

  1. noun a loud laugh that sounds like a horse neighing
    horselaugh; ha-ha; hee-haw.
  2. noun a ditch with one side being a retaining wall; used to divide lands without defacing the landscape
    sunk fence; ha-ha.

WordNet

Haw-haw" noun
Etymology
Duplication of haw a hedge.
Definitions
  1. See Ha-ha.

Webster 1913