hippolith|ˈhɪpəʊlɪθ| [ad.med.L. hippolithus, f.Gr. ἵππο-ς horse + λίθος stone: cf. F. hippolithe.] A concretion or calculus found in the stomach or intestines of a horse. [1661Lovell Hist.Anim. & Min. 81 The stone found in the stomack, called hippolithus.]1828Webster cites Quincy.