windmilled

/W IH1 N D M IH0 L D/
verb
  1. 1

    To rotate with a sweeping motion.

    โ€œShe ran down the hill, windmilling her arms with glee.โ€

  2. 2

    Of a rotating part of a machine, to (become disengaged and) rotate freely.

    โ€œThe axle broke and the wheel windmilled in place briefly before careening through the wall.โ€

Source: https://en.wiktionary.org/wiki/windmill, https://en.wiktionary.org/wiki/windmilled