/ Dictionary / Index B bastion: Meaning and Definition of Find definitions for: bas•tion Pronunciation: (bas'chun, -tē-un), [key] — n. a projecting portion of a rampart or fortification that forms an irregular pentagon attached at the base to the main work. a fortified place. anything seen as preserving or protecting some quality, condition, etc.: a bastion of solitude; a bastion of democracy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bastion (Thesaurus) basting bastle house Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language