/ Dictionary / Index M monopteral: Meaning and Definition of Find definitions for: mo•nop•ter•al Pronunciation: (mo-nop'tur-ul, mō-), [key] — adj. having the form of a monopteron. of or pertaining to a monopteron. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: monopteral (Thesaurus) monopsony monopteron Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language