/ Dictionary / Index B bicone: Meaning and Definition of Find definitions for: bi•cone Pronunciation: (bī'kōn"), [key] — n. an object shaped like two cones with their bases together. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. biconditional bicontinental 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