Englishfor English speakers
straightening
noun
—
The act of making something straight.
vane
—
noun
a fin attached to the tail of an arrow, bomb or missile in order to stabilize or guide it
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noun
the flattened weblike part of a feather consisting of a series of barbs on either side of the shaft
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noun
(= blade)
flat surface that rotates and pushes against air or water
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noun
(= weathervane)
mechanical device attached to an elevated structure; rotates freely to show the direction of the wind