nounπShareA weather vane"The weather vane on top of the barn pointed north, indicating the wind was coming from that direction. "weatherdirectiondeviceChat with AIVocabulary GamePractice Reading
nounπShareAny of several usually relatively thin, rigid, flat, or sometimes curved surfaces radially mounted along an axis, as a blade in a turbine or a sail on a windmill, that is turned by or used to turn a fluid"The windmill's large vane rotated quickly, catching the wind and turning the grinding wheel. "technologyphysicsmachinedeviceweathersailingnauticalindustryenvironmentChat with AIVocabulary GamePractice Reading
nounπShareThe flattened, web-like part of a feather, consisting of a series of barbs on either side of the shaft"The bird's wing displayed the beautiful, delicate vane of a feather. "biologybirdanatomypartChat with AIVocabulary GamePractice Reading
nounπShareA sight on a sextant or compass"The sailor adjusted the vane on the sextant to precisely align it with the horizon. "nauticaldevicesailingChat with AIVocabulary GamePractice Reading
nounπShareOne of the metal guidance or stabilizing fins attached to the tail of a bomb or other missile"The bomb's flight became erratic when one of the vanes on its tail broke off. "militarytechnologyvehicleweaponmachinepartChat with AIVocabulary GamePractice Reading