Source : Webster's Revised Unabridged Dictionary (1913)

Attractor \At*tract"or\ ([a^]t*tr[a^]kt"[~e]r), n.
   One who, or that which, attracts. --Sir T. Browne

Source : WordNet®

attractor
     n 1: an entertainer who attracts large audiences; "he was the
          biggest drawing card they had" [syn: {drawing card}, {draw},
           {attraction}, {attracter}]
     2: (physics) a point in the ideal multidimensional phase space
        that is used to describe a system toward which the system
        tends to evolve regardless of the starting conditions of
        the system [syn: {attracter}]
     3: a characteristic that provides pleasure and attracts;
        "flowers are an attractor for bees" [syn: {attraction}, {attracter},
         {attractive feature}, {magnet}]