straighten


Concise Oxford English Dictionary © 2008 Oxford University Press:
straighten/ˈstreɪtn/
verb
  • 1 make or become straight.

    ■ stand or sit erect after bending.

  • 2 (straighten up) (of a vehicle, ship, or aircraft) stop turning and move in a straight line.
– derivatives
straightener noun.
'straighten' also found in these Oxford entries:

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