The Collaborative International Dictionary of English v.0.48:

Penuchle \Pe"nu*chle\, Pinocle \Pin"o*cle\ Pinochle
\Pin"o*chle\, n.
   A game at cards, played with forty-eight cards, being all the
   cards above the eight spots in two packs.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Pinochle \Pin"o*chle\, Pinocle \Pin"o*cle\, n.
   A game at cards, played with forty-eight cards, being all the
   cards above the eight spots in two packs. [Also spelled
   penuchle.]
   [1913 Webster +PJC]

WordNet (r) 3.0 (2006):

pinochle
    n 1: a card game played with a pack of forty-eight cards (two of
         each suit for high cards); play resembles whist [syn:
         pinochle, pinocle, penuchle, bezique]