Available Definitions:
1) v. t. - To burn the surface of; to scorch; to roast over the fire, as dry grain; as, to parch the skin; to parch corn.
2) v. t. - To dry to extremity; to shrivel with heat; as, the mouth is parched from fever.
3) v. i. - To become scorched or superficially burnt; to be very dry.