[1] : The Collaborative International Dictionary of English v.0.48

portmanteau \portman"teau\, 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
see also:
portmanteaus port mantle 

[2] : WordNet (r) 2.0

portmanteau
     n 1: a new word formed by joining two others and combining their
          meanings; "`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"
          syn: blend, portmanteau word
     2: a large travelling bag made of stiff leather syn: gladstone,
         gladstone bag
     also: portmanteaux pl
see also:
blend portmanteau word gladstone gladstone bag portmanteaux 

Portmanteau >> P Words
Portmanteau, definition of term: Portmanteau
portmanteau_pag1.html

Portmanteau Wor >> P Words
Portmanteau Wor, definition of term: Portmanteau Wor
portmanteau+wor_pag1.html