morphological rule(n = noun.communication) rule of morphology - a linguistic rule for the formation of words;
is a kind of linguistic rule, rule

algorithmic rule, as a rule, best evidence rule, board rule, carpenter's rule, exclusionary rule, foot rule, gag rule, golden rule, grammatical rule, ground rule, hearsay rule, heuristic rule, home rule, linguistic rule, majority rule, miranda rule, mob rule, morphological, naegele's rule, one-man rule, parol evidence rule, phase rule, plumb rule, procrustean rule, rule, rule book, rule in, rule of cy pres, rule of evidence, rule of grammar, rule of law, rule of morphology, rule of thumb, rule out, slide rule, work to rule, working rule