0 past simple and past participle of billow
1 to spread over a large area, or (especially of things made of cloth) to become filled with air and appear to be larger:
Smoke billowed from the building after the raid, witnesses said.
The weather was hot and enormous clouds of dust billowed over the march.
Smoke billowed in the background and road flares flickered brightly.
Smoke billowed hundreds of feet in the air and flames rose out of the clock tower.
She was bathed in light as smoke billowed at feet.
Two simultaneous eruptions issued from the volcano; a cloud of ash and steam billowed seven miles into the sky.
These rigid balloons were held up over a fire so that the smoke billowed well into the cavity of the sphere.
Rescuers pulled mangled bodies from damaged cars as smoke billowed into the sky.
