n.; pl.Portmanteaus [ F. porte-manteau; porter to carry + manteau a cloak, mantle. See Port to carry, and Mantle. ] A bag or case, usually of leather, for carrying wearing apparel, etc., on journeys. Thackeray. [ 1913 Webster ]
(n) a new word formed by joining two others and combining their meanings, Syn. portmanteau, portmanteau word, Example:`smog' is a blend of `smoke' and `fog'; `motel' is a portmanteau word made by combining `motor' and `hotel'; `brunch' is a well-known portmanteau