مض

مَضَضٌ ذ The pain of a calamity or misfortune. (S, K.) [See 1.] ― -b2- Sour milk; (K;) [so called because it bites the tongue;] and so ↓ مَضَّةٌ, (K,) and بَضَّةٌ, of the milk of camels. (Ibn-'Abbád.)