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

What does the word billow mean?

1 : wave especially : a great wave or surge of water the rolling billows of the sea. 2 : a rolling mass (as of flame or smoke) that resembles a high wave Billows of smoke poured out of the building. billows of fog. billow. verb.

What is the synonym of Billow?

verb. ( ˈbɪloʊ) Rise up as if in waves.

Antonyms. understate reduce rise recede ascend ride linger.