The Collaborative International Dictionary of English v.0.48:

anchorperson \anchorperson\ n.
   1. an anchorman or anchorwoman.. The anchorperson usually
      begins the broadcast, discusses certain topics, and
      introduces new topics, which may be discussed by other
      reprorters, especially when the report is recorded or
      broadcast from a location other than the main broadcast
      studio.

   Syn: anchor, anchorman, anchorwoman.
        [WordNet 1.5 +PJC]

WordNet (r) 3.0 (2006):

anchorperson
    n 1: a television reporter who coordinates a broadcast to which
         several correspondents contribute [syn: anchor,
         anchorman, anchorperson]