I.a horse, mare, Lat. equus, equa, Hom., etc.:—the pl. ἵπποι in Hom. are the chariot-horses, Il.:—hence ἵπποι is used for the chariot itself, καθ᾽ ἵππων ἅλλεσθαι, ἐξ ἵππων βῆσαι, ἵππων ἐπεβήσετο id=Il.:—the art of riding, though known to Hom., was an uncommon practice, cf. κέλης, κελητίζω,
II.as Collective Noun, ἵππος, ἡ, horse, cavalry, Lat. equitatus, Hdt., attic; always in sg., as ἵππος χιλίη a thousand horse, Hdt.
IV.in Compos., it expressed anything large or coarse, as in our horsechestnut, horselaugh, v. ἱππόκρημνος, etc.
