/ Dictionary / Index B box nail: Meaning and Definition of Find definitions for: box' nail" Pronunciation: [key] a nail having a long shank, smooth or barbed, with a sharp point and a flat head. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. box lunch box office Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language