[ばい;バイ, bai ; bai] (n) (1) (uk) Japanese babylon (species of shelled mollusk, Babylonia japonica); Japanese ivory shell; (2) (abbr) (See 貝独楽) spinning top (traditionally made from a Japanese babylon shell)#7195
[ひざらがい(膝皿貝;火皿貝;石鼈);じいがせ(石鼈;爺が背);ヒザラガイ, hizaragai ( hiza sara kai ; hi sara kai ; ishi betsu ); jiigase ( ishi betsu ; jii ] (n) (1) (uk) chiton (any marine mollusk of the class Polyplacophora); sea cradle; (2) Japanese chiton (Acanthopleura japonica)