/ Thesaurus / P Synonyms of prolonge knot Find synonyms for: Noun1. prolonge knot, sailor's breastplate, knotusage: a knot in the rope used to drag a gun carriageWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language