/ Dictionary / Index P portmanteau: Meaning and Definition of Find definitions for: port•man•teau Pronunciation: (pôrt-man'tō, pōrt- pôrt&secman-tō', pōrt&sec-), [key] — pl. -teaus, -teaux a case or bag to carry clothing in while traveling, esp. a leather trunk or suitcase that opens into two halves. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: portmanteau (Thesaurus) portly portmanteau word Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language