BILLOWY
billowy, billowing, surging
(adjective) characterized by great swelling waves or surges; “billowy storm clouds”; “the restless billowing sea”; “surging waves”
Source: WordNet® 3.1
Etymology
Adjective
billowy (comparative billowier, superlative billowiest)
swelling or swollen into large waves; full of billows or surges; resembling billows.
Source: Wiktionary
Bil"low*y, a.
Definition: Of or pertaining to billows; swelling or swollen into large
waves; full of billows or surges; resembling billows.
And whitening down the many-tinctured stream, Descends the billowy
foam. Thomson.
Source: Webster’s Unabridged Dictionary 1913 Edition