'Billowy' definitions:

Definition of 'billowy'

(from WordNet)
adjective
Characterized by great swelling waves or surges; "billowy storm clouds"; "the restless billowing sea"; "surging waves" [syn: billowy, billowing(a), surging]

Definition of 'Billowy'

From: GCIDE
  • Billowy \Bil"low*y\, a. Of or pertaining to billows; swelling or swollen into large waves; full of billows or surges; resembling billows. [1913 Webster]
  • And whitening down the many-tinctured stream, Descends the billowy foam. --Thomson. [1913 Webster] Billposter