Parching meaning : To burn the surface of, to scorch. To roast, as dry grain. To dry to extremity; to shrivel with heat. To make thirsty. To boil something slowly (Still used in Lancashire in parched peas, a type of mushy peas). To become superficially burnt; be become sunburned. The process of parching or roasting something, such as corn. The condition of being parched; absolute dryness. Capable of causing something to parch. (of thirst) Extreme.