eculeus (equu-) ī, m dim.
equus, a young horse, foal, colt : in equo quam in eculeo.— A small equestrian statue : eculeos argenteos aufert. — A rack, torture-horse : factiin eculeo quaestio est.
ĕcŭleus, i, m., v. equuleus. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.