/ Dictionary / Index P prolonge: Meaning and Definition of Find definitions for: pro•longe Pronunciation: (prō-lonj' Fr. prô-lônzh'), [key] — pl. -lon•ges a rope having a hook at one end and a toggle at the other, used for various purposes, as to draw a gun carriage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: prolonge (Thesaurus) prolongation prolonged-action 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