Source : Webster's Revised Unabridged Dictionary (1913)

Electrophorus \E*lec`troph"o*rus\, n.; pl. {Electrophori}. [NL.,
   fr. combining form electro- + Gr. ? to bear.] (Physics)
   An instrument for exciting electricity, and repeating the
   charge indefinitely by induction, consisting of a flat cake
   of resin, shelllac, or ebonite, upon which is placed a plate
   of metal.