/ Dictionary / Index S secondary tissue: Meaning and Definition of Find definitions for: sec'ondary tis"sue Pronunciation: [key] — Bot. Bot. tissue derived from cambium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. secondary syphilis secondary wave Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language