Source : Webster's Revised Unabridged Dictionary (1913)

Robin Goodfellow \Rob"in Good"fel`low\
   A celebrated fairy; Puck. See {Puck}. --Shak.

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®

Robin Goodfellow
     n : a mischievous sprite of English folklore [syn: {Puck}]