/ Dictionary / Index P plus sight: Meaning and Definition of Find definitions for: plus' sight" Pronunciation: [key] — Survey. Survey. a backsight used in leveling. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. plussage plus sign Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language