ὕδρα, Ion.
ὕδρη,ἡ, (cf.ὕδωρ)
A. water-serpent,but esp. ofthe Lernaean hydra,
Hes. Th. 313 , S. Tr. 574 , 836 (lyr.), 1094 ;Ὕδραν τέμνειν,prov. oflabour in vain,because two heads sprang up for every one which was cut off, Pl. R. 426e : pl., but still with reference to the Lernaean hydra, E. Heracl. 950 , Ph. [1136] : prov., ὕδρης ποικιλώτερος
Herod. 3.89
( ἐπὶ τῶν δολερῶν
Diogenian. 7.69
).
II. name of a constellation, = ὕδρος
111 , Arat. 444 , etc.