'Air' in the Bible

Then David and his men went on the road, with Shimei going on the side of the hill beside him, {cursing as he went}. He threw stones beside him and threw dust in the air.

And Rizpah the daughter of Aiah took sackcloth, and spread it for her upon the rock, from the beginning of harvest until water dropped upon them out of heaven, and suffered neither the birds of the air to rest on them by day, nor the beasts of the field by night.

And he went through the air, seated on a storm-cloud: going quickly on the wings of the wind.