مَاءٌ عُقٌّ

, with damm, (K, TA,) or ↓ عَقٌّ, (thus written in my copies of the S and in the O,) and ↓ عُقَاقٌ, (O, K, TA,) Bitter water: (S, O, K:) or intensely bitter water: used alike as singular and plural: (TA:) like قُعٌّ, (TA,) or قَعٌّ, (S, O,) and قُعَاعٌ. (O, TA.)