Ringneck \Ring"neck`\, n. 1. (Zo["o]l.) Any one of several species of small plovers of the genus {[AE]gialitis}, having a ring around the neck. The ring is black in summer, but becomes brown or gray in winter. The semipalmated plover ({[AE]. semipalmata}) and the piping plover ({[AE]. meloda}) are common North American species. Called also {ring plover}, and {ring-necked plover}. 2. (Zo["o]l.) The ring-necked duck.