'Horselaugh' definitions:

Definition of 'horselaugh'

(from WordNet)
noun
A loud laugh that sounds like a horse neighing [syn: hee- haw, horselaugh, ha-ha, haw-haw]

Definition of 'Horselaugh'

From: GCIDE
  • Horselaugh \Horse"laugh`\, n. A loud, boisterous laugh; a guffaw. --Pope. [1913 Webster]