ἱπποδρόμιος

ον
A. of the horse-race: ‐δρόμιος, ὁ (sc. μήν), name of month in Boeotia, IG 7.531,al. (Tanagra), cf. Plu. Cam. 19; at Delphi, GDI 1987, al.; at Naupactus, IG 9(1).359.
II. epith. of Poseidon (cf. ἵππιος), Pi. I. 1.54.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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