1. (n.) 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.

2. (n.) Hence, any thing or person that turns easily and frequently; one who veers with every change of current opinion; a fickle, inconstant person.

3. (v. t.) To supply with a weathercock; to serve as a weathercock for.

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