Source : Webster's Revised Unabridged Dictionary (1913)

Nickelodeon \Nick`el*o"de*on\, n. [Nickel + odeon.]
   A place of entertainment, as for moving picture exhibition,
   charging a fee or admission price of five cents. [U. S.]

Source : WordNet®

nickelodeon
     n : a cabinet containing an automatic record player; records are
         played by inserting a coin [syn: {jukebox}]