/ Dictionary / Index B barbut: Meaning and Definition of Find definitions for: bar•but Pronunciation: (bär'but), [key] — n. a steel helmet of the 15th century completely enclosing the head and having a-shaped face slit: similar in form to the ancient Corinthian bronze helmet. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Barbusse barbwire Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language