[{"Bold_text": "noun", "List Items": ["a great wave or surge of the sea.Synonyms: whitecap , roller , comber , breaker , swell", "any surging mass:billows of smoke."]}, {"Bold_text": "verb (used without object)", "List Items": ["to rise or roll in or like billows; surge .", "to swell out, puff up, etc., as by the action of wind:flags billowing in the breeze."]}, {"Bold_text": "verb (used with object)", "List Items": ["to make rise, surge, swell, or the like:A sudden wind billowed the tent alarmingly."]}]