ὕδριος

α, ον
A. of water, περὶ ὑδρίων ὡροσκοπείων On water-clocks, a lost treatise by Hero, mentioned by Hero Spir. 1 Prooem., and by Procl. Hyp. 4.73.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project