billow
noun/ˈbɪləʊ/
/ˈbɪləʊ/
[usually plural]- a moving mass or cloud of smoke, steam, etc. like a wave
- A farmer was burning straw, the yellow billows of smoke spiralling lazily upward.
Word Originmid 16th cent.: from Old Norse bylgja.Definitions on the go
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billow