hinnĭo, īre (perf. hinnisset, Val. Max. 7, 3, ext. 2), v. n.,
to neigh , whinny : ut si finias equum, genus est animal, species mortale, differentia irrationale (nam et homo mortale erat), proprium hinniens, Quint. 7, 3, 3; Lucr. 5, 1077; Quint. 1, 5 fin. : hinnientium dulcedines, i. e. of horses , Laev. ap. Ap. Mag. p. 294.—Poet., of the centaur Chiron, Sid. Carm. 14, 29.—Hence, * hinnĭenter , adv., with neighing : hinnibunde pro hinnienter, Non. 122, 13.