metonymia

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

mĕtōnymĭa, ae, f., = μετωνυμία,

a figure by which one name is changed for another, a change of names, metonymy (pure Lat. denominatio), Paul. ex Fest. p. 153 Müll.; Charis. p. 244 P. al.