/ Dictionary / Index P pit grave: Meaning and Definition of Find definitions for: pit' grave" Pronunciation: [key] — Archaeol. Archaeol. a shallow grave hollowed out of a bed of rock or the floor of a tholos. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pitfall pith Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language