A.one who fights from a chariot, Hom. (only in Il.), opp. πεζός, 2.810; either of the driver or of the hero who fights, 12.66, 15.270; also of one who drives in a chariot-race, 23.262.
2. horseman, rider, cavalryman, “ἰππήων στρότος” Sapph.Supp.5.1, cf. Hdt.3.88,9.49, A. Pers.14 (anap.), Arist.Pol.1270a29, etc.; τῆς πολιτείας ἱ. a public courier, Aristaenet.1.26.
3. groom, Class.Rev.27.12 (Laodicea Combusta), 24.12, JHS18.108 (near Lysias).
II. ἱππεῖς, in social and political sense, knights, forming an aristocracy in early Greek communities, Arist.Pol.1297b18, etc.; at Eretria, ib.1306a35, Ath. 15.2; at Sparta, a royal bodyguard, Hdt.8.124, cf. 1.67, etc.; esp. at Athens, the Second Class in Solon's constitution, Arist.Ath.7.3; later, an aristocratic corps of cavalry, Ar.Eq.225, And.3.5, Philoch. 100, etc.
2. of the Roman equites, D.S.37.8, D.H.4.24, App. BC1.22, etc.; ἱππεὺς Ῥωμαίων,= Lat. eques Romanus, Mon.Anc.Gr. 7.17, IG3.768a, IGRom.3.204 (Ancyra), OGI547.2 (ibid.), 645.7 (Palmyra), prob. in IGRom.4.1213 (Thyatira).
III. nimble kind of crab, Arist.HA525b8.
IV. kind of comet, Plin.HN2.90, Lyd. Ost.11.
V. girl's ornament, Hsch., cf. Ostr.323 (ii B.C.).