anode

from WordNet (r) 3.0 (2006)

anode
    n 1: a positively charged electrode by which electrons leave an
         electrical device [ant: {cathode}]
    2: the negatively charged terminal of a voltaic cell or storage
       battery that supplies current [ant: {cathode}]

from The Collaborative International Dictionary of English v.0.48

Anode \An"ode\, n. [Gr. ? up + ? way.] (Elec.)
   The positive pole of an electric battery, or more strictly
   the electrode by which the current enters the electrolyte on
   its way to the other pole; -- opposed to {cathode}.
   [1913 Webster]

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