/ Dictionary / Index E endocranial cast: Meaning and Definition of Find definitions for: en'docra'nial cast' Pronunciation: [key] — Archaeol. Archaeol. a cast of the inside of the cranium, as of a fossil skull, used to determine brain size and shape. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. endocentric endocranium Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language