/ Dictionary / Index C crossbones: Meaning and Definition of Find definitions for: cross•bones Pronunciation: (krôs'bōnz", kros'-), [key] — n.pl. a representation of two bones placed crosswise, usually below a skull, to symbolize death. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: crossbones (Thesaurus) crossbolt lock cross-border Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language