simple past tense and past participle of weathercock

A weather vane, sometimes in the form of a cockerel. / (figuratively) One who veers with every change of current opinion; a fickle, inconstant person.

(intransitive, of a boat) To turn upwind because of the difference in water pressure on two sides. / (intransitive, of an airplane or missile) To veer into the direction of the oncoming (relative) wind.

plural of weathercock

present participle of weathercock