/ Thesaurus / C Synonyms of cross bit Find synonyms for: Noun1. cross bit, bore bit, borer, rock drill, stone drillusage: a rock drill having cruciform cutting edges; used in miningWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language