a member of a legion, especially the French Foreign Legion 军团成员;(尤指法国军队中的)外籍军团成员 Word Originearly 19th cent.: from French légionnaire, from légion ‘legion’, from Latin legio, from legere ‘choose, levy’. The adjective dates from the late 17th cent., in early use often in the phrase my, their, etc. name is legion, i.e. ‘we, they, etc. are many’ (Mark 5:9).