/ Thesaurus / O Synonyms of octal digit Find synonyms for: Noun1. octal digit, digit, figureusage: a digit from 0 to 7 in octal notationWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language