عَيْنٌ مُطَحْلِبَةٌ

, (S,) and مَاءٌ مُطَحْلِبٌ (IAar, K) and مُطَحْلَبٌ, (K,) this last anomalous, like مُسْهِبٌ, or originating from the supposition of the verb's being transitive, (MF,) A source, (S,) and water, (K,) overspread with طُحْلُب, (S,) or having much thereof. (K.)