Lewis Short
(adj.Subst.) : ĕquārĭus, a, um, adj.id.
* Of or belonging to horses (very rare).
* Adj.: medicus,a farrier,Val. Max. 9, 15, 2.
* Subst.
* Ĕquārius, ii, m., a stableboy, groom, Sol. 45, § 8.
* Ĕquāria, ae, f. (sc. res), a stud of horses: grandes,Varr. R. R. 2, prooem. § 6.
Charlton T. Lewis, Charles Short, A Latin Dictionary