The Collaborative International Dictionary of English v.0.48:

Foretop \Fore"top`\, n.
   1. The hair on the forepart of the head; esp., a tuft or lock
      of hair which hangs over the forehead, as of a horse.
      [1913 Webster]

   2. That part of a headdress that is in front; the top of a
      periwig.
      [1913 Webster]

   3. (Naut.) The platform at the head of the foremast.
      [1913 Webster]

WordNet (r) 3.0 (2006):

foretop
    n 1: a platform at the head of a foremast
    2: a lock of a horse's mane that grows forward between the ears
       [syn: forelock, foretop]