/ Dictionary / Index B Brythonic: Meaning and Definition of Find definitions for: Bry•thon•ic Pronunciation: (bri-thon'ik), [key] — adj. of or belonging to P-Celtic. —n. P-Celtic, esp. that part either spoken in Britain, as Welsh and Cornish, or descended from the P-Celtic speech of Britain, as Breton. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: brythonic (Thesaurus) Brython Brześć nad Bugiem 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