a total reversal in policy or opinion; a volte-face, a U-turn.
An act of rotating one's body 360 degrees in the backward direction.
To perform a backflip (rotation of body).
To completely reverse a policy or opinion; perform a U-turn.
A shift or change; a shifting movement.
The phenomenon by which two or more constituents appearing on the same side of their common head exchange positions to obtain non-canonical order.