Weathercock /(?)/

Weath·er·cock

Weathercock

n.
  1. A vane, or weather vane; -- so called because originally often in the figure of a cock, turning on the top of a spire with the wind, and showing its direction.
    Noisy weathercocks rattled and sang of mutation.
  2. Hence, any thing or person that turns easily and frequently; one who veers with every change of current opinion; a fickle, inconstant person.

Weathercock

v. t.
  1. To supply with a weathercock; to serve as a weathercock for.
    Whose blazing wyvern weathercock the spire.