/ Dictionary / Index M macruran: Meaning and Definition of Find definitions for: ma•cru•ran Pronunciation: (mu-kroor'un), [key] — adj. belonging or pertaining to the suborder Macrura, comprising the lobsters, crayfishes, shrimps, and prawns. —n. a macruran crustacean. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. macrostructure macrurous Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language