uninomium Save DMLBS uninomium [CL unus+nomen+ium; cf. LL plurinomium], (gram.) one name or word used to denote different things, homonym. decimae [speciei] homonima, hoc est ~a, quae in uno nomine diversas significationes habent [Isid. Etym. I 7. 15] Bonif. AG 476.