/ Dictionary / Index D dumb compass: Meaning and Definition of Find definitions for: dumb' com'pass Pronunciation: [key] — Navig. Navig. pelorus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dumb cluck dumb Dora Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language