Definition of vane noun from the Oxford Advanced American Dictionary

 

vane

 noun
noun
NAmE//veɪn//
 
 
jump to other results
a flat blade that is moved by wind or water and is part of the machinery in a windmill, etc. The windmill's sails are wooden vanes whose angle can be adjusted from inside the mill. see also weathervane
See the Oxford Advanced Learner's Dictionary entry: vane