C / canthus
noun greek

canthus

gen. canthi · gender masculine · decl. 2nd
= κάνθος; lit.
the iron ring around a carriage-wheel; the tire
the iron ring around a carriage-wheel, the tire, Quint. 1, 5, 88, where it is considered as barbarian (African or Spanish).—Hence,
a wheel by metonymy
Meton. (pars pro toto), a wheel, Pers. 5, 71.