head·piece /-ˌpis/
 盔;帽子;雙耳式耳機;頭
 Head·piece n.
 1. Head.
    In his headpiece he felt a sore pain.   --Spenser.
 2. A cap of defense; especially, an open one, as distinguished from the closed helmet of the Middle Ages.
 3. Understanding; mental faculty.
    Eumenes had the best headpiece of all Alexander's captains.   --Prideaux.
 4. An engraved ornament at the head of a chapter, or of a page.
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 headpiece
      n 1: the band that is the part of a bridle that fits around a
           horse's head [syn: headstall]
      2: a protective helmet for the head