Webster’s Revised Unabridged Dictionary · 1913
Puck
Puck (pŭk), n. [OE. pouke; cf. OSw. puke, Icel. pūki an evil demon, W. pwca a hobgoblin. Cf. Poker a bugbear, Pug.] 1. (Mediæval 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. (Zoöl.) The goatsucker. [Prov. Eng.]