I plunged into the oncoming billows, as a strong swimmer dives into breakers, and struck, alas, 'tis true, the bedpost!
I felt the great billows rock and sink.
Below them was a vast space, at the bottom of which was a black sea with rolling billows, through which little tongues of flame constantly shot up.
I stood in the middle of the church, where the vibrations from the great organ were strongest, and I felt the mighty waves of sound beat against me, as the great billows beat against a little ship at sea.
Reclus with the appearance of "a stormy sea breaking into parallel billows" (Universal Geography, ed.