canthus, i, m., = κάνθος; lit.
I the iron ring around a carriage-wheel , the tire , Quint. 1, 5, 88, where it is considered as barbarian (African or Spanish).—Hence,
B Meton. (pars pro toto), a wheel , Pers. 5, 71.
·noun The corner where the upper and under eyelids meet on each side of the eye. ...
Webster's Dictionary of the English Language