/ Dictionary / Index S skull: Meaning and Definition of Find definitions for: skull Pronunciation: (skul), [key] — n. the bony framework of the head, enclosing the brain and supporting the face; the skeleton of the head. the head as the center of knowledge and understanding; mind: to get literature's great ideas through our skulls. the part of a helmet that covers the top of the head. crazy; demented. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: skull (Thesaurus) skulk skull and crossbones Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language