Definition of white-capped in US English:

white-capped

adjective

  • 1Wearing a white cap or caps.

  • 2Of waves: capped with foam. Also of the sea: covered with white-crested waves.

Origin

Mid 18th century; earliest use found in Samuel Richardson (bap. 1689, d. 1761), printer and author. From white + capped.

Pronunciation

white-capped

/ˈwʌɪtkapt/