Source : Webster's Revised Unabridged Dictionary (1913)

Cider \Ci"der\, n. [F. cidre, OF. sidre, fr. L. sicera a kind of
   strong drink, Gr. ?; of Oriental origin; cf. Heb. sh[=a]kar
   to be intoxicated, sh[=e]k[=a]r strong drink.]
   The expressed juice of apples. It is used as a beverage, for
   making vinegar, and for other purposes.

   Note: Cider was formerly used to signify the juice of other
         fruits, and other kinds of strong liquor, but was not
         applied to wine.

   {Cider brandy}, a kind of brandy distilled from cider.

   {Cider mill}, a mill in which cider is made.

   {Cider press}, the press of a cider mill.

Source : WordNet®

cider
     n : a beverage made from juice pressed from apples [syn: {cyder}]