/ Dictionary / Index K knothole: Meaning and Definition of Find definitions for: knot•hole Pronunciation: (not'hōl"), [key] — n. a hole in a board or plank formed by the falling out of a knot or a portion of a knot. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: knothole (Thesaurus) knot garden knotroot Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language