/ Dictionary / Index H holystone: Meaning and Definition of Find definitions for: ho•ly•stone Pronunciation: (hō'lē-stōn"), [key] — n., v., -stoned, -ston•ing. —n. a block of soft sandstone used in scrubbing the decks of a ship. —v.t. to scrub with a holystone. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: holystone (Thesaurus) Holy Spirit holy synod Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language