vane

vane
noun
  1. 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
  1. [usu. in combination]a three-vaned windmill.
    三叶风车。
语源
  1. late Middle English: dialect variant of obsolete fane 'banner', of Germanic origin
英语宝典
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