a broad blade attached to a rotating axis or wheel which pushes or is pushed by wind or water and forms part of a machine or device such as a windmill, propeller, or turbine 风向标,风信旗;翼;叶片,轮叶 ■short for weathervane weathervane 的简称 ■the flat part on either side of the shaft of a feather 羽片 ■a broad, flat projecting surface designed to guide the motion of a projectile, such as a feather on an arrow or a fin on a torpedo 箭翎;鱼雷鳍
派生 vaned adjective
[usu. in combination]a three-vaned windmill. 三叶风车。
语源
late Middle English: dialect variant of obsolete fane 'banner', of Germanic origin