ὑγραίνω

A. wet, mositen, X. Cyn. 5.3, Pl. R. 335d; of a river, water a country, E. Tr. 226 (lyr.), Hel. 3; βλέφαρον ὑ. δάκρυσιν ib.673 (lyr.); πηγαῖς οὐχ ὑγραίνουσιν πόδας Id. Fr. 367:—Pass., of water, collect in pools, and of solids, to be liquefied, Arist. Mete. 382b28; opp. ξηραίνεσθαι, Id. PA 653b3, HA 557b11, etc.; τὸ ὑγρανθὲν [μέρος] the part which is liquefied, Pl. Ti. 51b.
2. relax the bowels, Hp. Aph. 3.17:—Pass., ib.2.20.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project