The waving of the tree-tops is the billowy movement of a hidden delight.
I had to chance that I wouldn't be seen while crossing this billowy expanse.
Every hour in the day he indulges in his circling, billowy flight.
When Uncle Si and his cohort got through with them they were as billowy as the surface of the ocean.
It is rough and billowy, like the surface of a storm-tossed ...