/ Dictionary / Index P pelorus: Meaning and Definition of Find definitions for: pe•lo•rus Pronunciation: (pu-lôr'us, -lōr'-), [key] — pl. -rus•es. a device for measuring in degrees the relative bearings of observed objects. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pelorize pelota Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language