/ Dictionary / Index R rubber tree: Meaning and Definition of Find definitions for: rub'ber tree" Pronunciation: [key] any tree that yields latex from which rubber is produced, esp. Hevea brasiliensis, of the spurge family, native to South America, the chief commercial source of rubber. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rubber stamp rubbery Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language