, verbal noun وُرُوسٌ, It (a plant) became green. (AA, A, Hn, M.)
2.
See also 4.
3.
وَرِسَ, (M, K,) aorist يَوْرَسُ, (K,) It (a rock, M, K, in water, K) became overspread with [the green substance called] طُحْلُب, so that it became green and smooth. (IDrd, M, K.)