1. (n.)pinochle a card game played by two, three, or four persons, with a 48-card deck.
2. pinochle a meld of the queen of spades and the jack of diamonds in this game.
Etymology: (1860–65, Amer.; < Swiss G Binokel, Binoggel < Swiss F, F binocle lit., pince-nez, prob. adopted as synonym of the less current F besicles spectacles, alter., by folk etym., of beziguebezique)
Definition of 'pinochle'
Princeton's WordNet
1. (noun)pinochle, pinocle, penuchle, bezique a card game played with a pack of forty-eight cards (two of each suit for high cards); play resembles whist