billow

verb [I]

/ˈbɪl.əʊ/

/-oʊ/

Definition

› 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 (out) from the burning building. The sheets/shirts hanging on the line billowed in the breeze. We watched the boats with their billowing sails.Spreading and scatteringBecoming biggerEnlarging and inflating billow

noun [C usually plural] › billows of smokeClouds, dew, fog and steam

(Definition of billow verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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