noun a large undulating mass of something, typically cloud, smoke, or steam
verb to move or flow outward with an undulating motion
The storm clouds billowed ominously in the sky.
The billow of the waves crashed against the ship's hull.
The billow of her dress caught the wind as she danced.
The billow of the curtains added a touch of elegance to the room.
The pastry dough billowed as it rose in the oven.
The writer used vivid descriptions of the storm to paint a picture of the billowing clouds.
The psychologist observed how the patient's emotions seemed to billow up and overwhelm them during the therapy session.
The architect designed the building with billowing sails on the roof to give it a unique and striking appearance.
The fashion designer incorporated billowing sleeves into the latest collection to create a sense of movement and drama.
The marine biologist studied the billowing movements of the jellyfish as they drifted through the ocean currents.