The Collaborative International Dictionary of English v.0.48:

Juggle \Jug"gle\, v. i. [imp. & p. p. Juggled; p. pr. & vb. n.
   Juggling.] [OE. juglen; cf. OF. jogler, jugler, F. jongler.
   See Juggler.]
   [1913 Webster]
   1. To play tricks by sleight of hand; to cause amusement and
      sport by tricks of skill; to conjure; especially, to
      maintian several objects in the air at one time by tossing
      them up with one hand, catching them with the other hand,
      and passing them from the catching to the tossing hand.
      [1913 Webster +PJC]

   2. To practice artifice or imposture.
      [1913 Webster]

            Be these juggling fiends no more believed. --Shak.
      [1913 Webster]