What is a light sail set abaft and beyong the leech of a boom-and-gaff sail; -- called also ringsail. Ringtail boom (Naut.), a spar which is rigged on a boom for setting a ringtail called?

ringtail — (Naut.) A light sail set abaft and beyong the leech of a boom-and-gaff sail; -- called also ringsail. Ringtail boom (Naut.), a spar which is rigged on a boom for setting a ringtail. (Webster's 1913.)

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