/ Dictionary / Index S silicified wood: Meaning and Definition of Find definitions for: silic'ified wood' Pronunciation: [key] wood that has been changed into quartz by a replacement of the cellular structure of the wood by siliceous waters. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. siliciferous silicify Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language