Webster's Revised Unabridged Dictionary · 1913

Ringtail

Ringtail , noun

1.
(Zoology) A bird having a distinct band of color across the tail, as the hen harrier.
2.
(Nautical) A light sail set abaft and beyong the leech of a boom-and-gaff sail; -- called also ringsail.
Collocations (1)
Ringtail boom (Nautical) , a spar which is rigged on a boom for setting a ringtail.