solitaire
noun uk/ˌsɒl.ɪˈteər/ /ˈsɒl.ɪ.teər/ us/ˈsɑː.lə.ter/
(JEWELLERY)
[ C ]（尤指戒指上的）独粒宝石
a single jewel (= precious stone) that is part of a piece of jewellery, especially a ring, or the ring itself
a solitaire diamond 独粒钻石
(CARDS)
[ U ] US (UK patience)单人纸牌戏
a game played with cards by one person