_Auriga_ (Vol. iii., p. 188.).--That part of the Roman bridle which went
about the horse's ears (_aures_), was termed _aurea_; which, being by a
well-known grammatical figure put for the whole head-gear of the horse,
suggests as a meaning of _Auriga_, "_is qui_ AUREAS AGIT, he who manages,
guides, or (as we say) handles, the reins."