'bellylaugh' definitions:

Definition of 'bellylaugh'

(from WordNet)
verb
Laugh a deep, hearty laugh

Definition of 'bellylaugh'

From: GCIDE
  • bellylaugh \bel"ly*laugh`\, belly-laugh \bel"ly-laugh`\v. to laugh a deep, hearty laugh. [WordNet 1.5]