1. A term used to explain the re-emergence at the surface, as a stream, of meteoric water which has fallen entirely upon and percolated through a calcareous massif [19]. 2. A spring or seep in karstic terrane not clearly connected with swallets a higher level. Synonyms: (French.) exsurgence; (German.) Karstquelle, Austrittbtelle; (Greek.) karstiki pighi; (Italian.) risorgente carsica; (Russian.) karstovy istochnik; (Spanish.) exsurgencia; (Turkish.) yuzeyde blirme; (Yugoslavian.) vrelo, obrh. See also emergence; resurgence.