/ Dictionary / Index B backsight: Meaning and Definition of Find definitions for: back•sight Pronunciation: (bak'sīt"), [key] — n. Survey. a sight on a previously occupied instrument station. (in leveling) the reading on a rod that is held on a point of known elevation, used in computing the elevation of the instrument. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. backside-to backslap Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language