Meanings of flapped through in inglés

Silvery sheets of rain, billowing like the transparent canvases of a ghost ship, flapped through the darkness.

A soft white thing flapped through the snow and struck Pierre in the face, so that he staggered and almost lost his balance.

Like a raven frantically beating its wings against a cage, dark images from Lewis Stevenson's descriptions of his sick dreams flapped through my mind.

Pigeons flapped through the piers of dusty light and three buzzards hobbled about on the picked bone carcass of some animal dead in the chancel.