(1):

(n.) The European tree sparrow.

(2):

(n.) The whitethroat; - so called from its gray head.

(3):

(n.) A wave whose crest breaks into white foam, as when the wind is freshening.

(4):

(n.) The European redstart; - so called from its white forehead.

(5):

(n.) A member of a self-appointed vigilance committee attempting by lynch-law methods to drive away or coerce persons obnoxious to it. Some early ones wore white hoods or masks.