the mind > language > linguistics > study of grammar > a part of speech > noun > [noun] > noun with specific number of cases > with more than the usual number of cases (2)
Something which is redundant; spec. a redundant chord or noun (see sense A. 3, redundant noun n. at compounds). Also figurative. Obsolete.
a noun which deviates from the regular declension in having an extra case or number (cf. heteroclite, adj. 1). Obsolete.