noun🔗ShareA weather vane, sometimes in the form of a cockerel."The weathercock on top of the barn spun quickly, indicating the wind had shifted. "weatherarchitectureanimalnaturedeviceChat with AIVocabulary GamePractice Reading
noun🔗ShareOne who veers with every change of current opinion; a fickle, inconstant person."John is such a weathercock; he agrees with whoever he spoke to last. "characterpersonattitudeChat with AIVocabulary GamePractice Reading
noun🔗Share(Chiefly US and Canada) A wind pump style where the top of it behaves like a weather vane, moving with the wind direction, but also with a wheel attached to measure wind speed."The farmer installed a new weathercock to both pump water for his crops and keep track of the wind speed on his land. "weathertechnologyagricultureenergydevicemachinedirectionenvironmentChat with AIVocabulary GamePractice Reading
verb🔗Share(of a boat) To turn upwind because of the difference in water pressure on two sides."Because the sail was improperly trimmed, the small sailboat threatened to weathercock in the gusty wind. "nauticalsailingdirectionChat with AIVocabulary GamePractice Reading
verb🔗Share(of an airplane or missile) To veer into the direction of the oncoming (relative) wind."Because of the strong crosswind, the small plane began to weathercock just before landing, making the pilot adjust course. "vehiclenauticalsailingmilitarytechnologyphysicsdirectionChat with AIVocabulary GamePractice Reading
verb🔗ShareTo act as a weathercock for."He's known to weathercock for whatever his boss thinks, changing his opinions instantly to match. "attitudecharactertendencyChat with AIVocabulary GamePractice Reading
