hat

(hăt)

1. A covering for the head, especially one with a shaped crown and brim.
2. a. A head covering of distinctive color and shape worn as a symbol of office.
   b. The office symbolized by the wearing of such a head covering.
3. A role or office symbolized by or as if by the wearing of different hats: wears two hats—one as parent and one as corporate executive.