The DICT Development Group

  Ringtail \Ring"tail`\, n.
     1. (Zool.) A bird having a distinct band of color across the
        tail, as the hen harrier.
        [1913 Webster]
  
     2. (Naut.) A light sail set abaft and beyong the leech of a
        boom-and-gaff sail; -- called also ringsail.
        [1913 Webster]
  
     Ringtail boom (Naut.), a spar which is rigged on a boom for
        setting a ringtail.
        [1913 Webster]

  ringtail
       n 1: raccoon-like omnivorous mammal of Mexico and the
            southwestern United States having a long bushy tail with
            black and white rings [syn: bassarisk, cacomistle, cacomixle,
             coon cat, raccoon fox, ring-tailed cat, civet
            cat, miner's cat, Bassariscus astutus]
       2: North American raccoon [syn: common raccoon, common
          racoon, coon, Procyon lotor]
       3: monkey of Central America and South America having a cowl of
          thick hair on the head [syn: capuchin, Cebus capucinus]
       4: an immature golden eagle