/ Dictionary / Index P prolonge knot: Meaning and Definition of Find definitions for: prolonge' knot" Pronunciation: [key] a knot consisting of three overlapping loops formed by a single rope passed alternately over and under itself at crossings. Also calledSee illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. prolonged-action prolusion Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language