It (water) had vent; or it flowed forth, ran, or streamed; (S, A, K;) in, or through, a مَثْعَب: (S TA:) and in like manner, rain: (TA:) and blood from the nose. (S, TA.)
2.
[Hence,] صَاحَ بِهِ فَانْثَعَبَ إِلَيْهِ (tropical:) He called out to him and he sprang up and ran to him. (A, TA.)