~ 1
■ verb
1》 change direction suddenly.
↘suddenly change in opinion, subject, etc.
2》 (of the wind) change direction clockwise around the points of the compass. The opposite of back .
■ noun a sudden change of direction.
Origin
C16: from Fr. virer , perh. from an alt. of L. gyrare (see gyrate ).
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~ 2
■ verb Nautical, dated slacken or let out (a rope or cable) in a controlled way.
Origin
ME: from MDu. vieren .