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