billow: Meaning and Definition of

bil•low

1. a great wave or surge of the sea.
2. any surging mass: billows of smoke.

1. to rise or roll in or like billows; surge.
2. to swell out, puff up, etc., as by the action of wind: flags billowing in the breeze.

1. to make rise, surge, swell, or the like: A sudden wind billowed the tent alarmingly.