The Collaborative International Dictionary of English v.0.48:

Attrahent \At"tra*hent\, a. [L. attrahens, p. pr. of attrahere.
   See Attract, v. t.]
   Attracting; drawing; attractive.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Attrahent \At"tra*hent\, n.
   1. That which attracts, as a magnet.
      [1913 Webster]

            The motion of the steel to its attrahent.
                                                  --Glanvill.
      [1913 Webster]

   2. (Med.) A substance which, by irritating the surface,
      excites action in the part to which it is applied, as a
      blister, an epispastic, a sinapism.
      [1913 Webster]