solitaire

noun

• 1 [mass noun] British a game for one player played by removing pegs one at a time from a board by jumping others over them from adjacent holes, the object being to be left with only one peg.
• North American the card game patience.

• 2a diamond or other gem set in a piece of jewellery by itself: [with modifier]:a diamond solitaire [as modifier]:a solitaire ring
• a ring set with a solitaire diamond or other gem.

• 3either of two large extinct flightless birds related to the dodo, found on two of the Mascarene Islands until they were exterminated in the 18th century.

  • Family Raphidae: the Rodriguez solitaire (Pezophaps solitaria), and the poorly known Réunion solitaire (Ornithaptera solitaria)

• 4a large American thrush with mainly grey plumage and a short bill.

  • Genus Myadestes, family Turdidae: several species