Headband

from WordNet (r) 3.0 (2006)

headband
    n 1: a band worn around or over the head; "the earphones were
         held in place by a headband"

from The Collaborative International Dictionary of English v.0.48

Headband \Head"band`\ (h[e^]d"b[a^]nd`), n.
   1. A fillet; a band for the head. "The headbands and the
      tablets." --Is. iii. 20.
      [1913 Webster]

   2. The band at each end of the back of a book.
      [1913 Webster]