monoptota

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

mŏnoptōta, ōrum, n., = μονόπτωτα, in the later grammarians,

nouns which have but one case-ending, monoptotes , Diom. p. 288 P.; Prisc. p. 672 ib. et saep.; Mart. Cap. 3, § 242 al.