رُوءَالٌ

and ↓ رَاوءُولٌ, (As, T, M, K, [the latter in the CK رَاوءُل,]) with ء accord to ISk, and without ء according to A'Obeyd, (M,TA,) The slaver of a horse (As, ISk, T, M, K, TA) or similar beast, (ISk, T,) that drops from him: (TA:) or his froth, or foam: (K:) according to Lth, رُوَالٌ [q. v. in article رول, thus without ء,] signifies the spittle of a horse or similar beast. (T.)

-A2- Also the former, (M,) or ↓ the latter, (K,) A redundance in [the number of] the teeth of a horse or similar beast: (M, K:) but As denies that these two words have this meaning. (T. [See what next follows.])