Thayer's Greek Lexicon

 1. to raise a breeze, put air in motion, whether for the sake of
kindling a fire or cooling one's self
  1) to blow up a fire
  2) to fan, i.e. cool with a fan
2. to toss to and fro, to agitate
  1) of the wind
  2) of persons whose mind wavers in uncertainty between hope and
fear, between doing and not doing a thing