Source : Webster's Revised Unabridged Dictionary (1913)

Puck \Puck\, n.
   A disk of vulcanized rubber used in the game of hockey, as
   the object to be driven through the goals.

Puck \Puck\, n. [OE. pouke; cf. OSw. puke, Icel. p[=u]ki an evil
   demon, W. pwca a hobgoblin. Cf. {Poker} a bugbear, {Pug}.]
   1. (Medi[ae]val Myth.) A celebrated fairy, ``the merry
      wanderer of the night;'' -- called also {Robin
      Goodfellow}, {Friar Rush}, {Pug}, etc. --Shak.

            He meeteth Puck, whom most men call Hobgoblin, and
            on him doth fall.                     --Drayton.

   2. (Zo["o]l.) The goatsucker. [Prov. Eng.]

Source : WordNet®

Puck
     n 1: a mischievous sprite of English folklore [syn: {Robin
          Goodfellow}]
     2: a vulcanized rubber disk 3 inches in diameter that is used
        instead of a ball in ice hockey [syn: {hockey puck}]