Emily Dickinson Lexicon

BELCH, v.t. [or int. Sax. bealcan, to belch, that is, to push out, to swell or heave; belgan, to be angry, that is, to swell with passion; Eng. bulge, bilge, bulk; allied to W. balc, prominent.]

1. To throw or eject wind from the stomach with violence.
2. To eject violently from a deep hollow place; as, a volcano belches flames and lava.