0 to spread over a large area, or (especially of things made of cloth) to become filled with air and appear to be larger -- salir, hincharse
We watched the boats with their billowing sails.
The sheets/shirts hanging on the line billowed in the breeze.
Smoke billowed (out) from the burning building.
1 a large wave -- oleada
A huge bellow threatened to capsize the boat.
NUEVAS PALABRAS
European
May 10, 2021
PALABRA DEL DIA
Shimmer
billow