west wind, n.Definitions

The West wind is the breath of Autumn's being.

The West wind is that from whose unseen presence the dead leaves are driven like ghosts fleeing from an enchanter.

The West wind is the breath of Autumn's being, from whose unseen presence dead leaves are driven like ghosts from an enchanter fleeing, Yellow and black, and pale, and hectic red, Pestilence stricken multitude.