/ Dictionary / Index B briarroot: Meaning and Definition of Find definitions for: bri•ar•root Pronunciation: (brī'ur-rt", -root"), [key] — n. brierroot. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: briarroot (Thesaurus) Briard briarwood Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language