/ Dictionary / Index M morpheme: Meaning and Definition of Find definitions for: mor•pheme Pronunciation: (môr'fēm), [key] — n. Ling. any of the minimal grammatical units of a language, each constituting a word or meaningful part of a word, that cannot be divided into smaller independent grammatical parts, as the, write, or the -ed of waited. Cf.(def. 2),(def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: morpheme (Thesaurus) morphallaxis morpheme structure condition Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language