/ Dictionary / Index S sighthole: Meaning and Definition of Find definitions for: sight•hole Pronunciation: (sīt'hōl"), [key] — n. a hole, as on a quadrant, through which to see or to sight. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sight gag sighthound Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language