/ Dictionary / Index M macrocephalic: Meaning and Definition of Find definitions for: mac•ro•ce•phal•ic Pronunciation: (mak"rō-su-fal'ik), [key] — adj. being or having a head with a large cranial capacity. being or having a skull with a large cranial capacity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: macrocephalic (Thesaurus) macrocarpous macroclimate Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language