parch

Short definition from Wiktionary

Verb

1. 1
   To burn the surface of, to scorch.
2. 2
   To roast, as dry grain.
3. 3
   To dry to extremity; to shrivel with heat.
4. 4
   To make very thirsty.
5. 5
   To boil something slowly (Still used in Lancashire in parched peas, a type of mushy peas).
6. 6
   To become superficially burnt; to become sunburned.

Noun

1. 1
   The condition of being parched.