Source : Webster's Revised Unabridged Dictionary (1913)

Interpleader \In`ter*plead"er\, n.
   1. One who interpleads.

   2. (Law) A proceeding devised to enable a person, of whom the
      same debt, duty, or thing is claimed adversely by two or
      more parties, to compel them to litigate the right or
      title between themselves, and thereby to relieve himself
      from the suits which they might otherwise bring against
      him.