whitecap noun & verb. ['wʌɪtkap] Also white-cap. M17.
[from WHITE adjective + CAP noun¹.]
A. noun.
1. Any of several birds with a white or light-coloured patch on the head. obsolete exc. dial. M17.

2. A crested wave, a breaker. L18.

3. A member of a self-constituted vigilante group using violence against people or groups regarded as objectionable. Usu. in pl. US. L19.
b. verb trans. Infl. -pp-. Use violence against (a person) in the style of the whitecaps. US. L19.

■ whitecapper noun = WHITECAP noun 3 L19.

[TahlilGaran] English Dictionary ▲