Freemason

Freemason
/ˈfri:meɪsn; `friˌmesn/ n
member of an international secret society with the aims of offering mutual help and developing friendly relations among its members 共济会会员（旨在互相帮助、 发展会员间友好关系的国际秘密组织的成员）.

牛津英汉双解词典