RhymeZone: billow definitions

Definitions of billow:

noun: a large sea wave
verb: rise and move, as in waves or billows
verb: rise up as if in waves
Example: "Smoke billowed up nto the sky"
verb: move with great difficulty
Example: "The soldiers billowed across the muddy riverbed"
verb: become inflated
name: A surname (very rare: popularity rank in the U.S.: #65604)