a society that conceals its activities from nonmembers
例句
用作名词 (n.)
They stated themselves to be members of a secret society. 他们宣称自己是一个秘密社团中的成员。
In Ancient Greece, tattoos were used to identify fellow members of secret societies and the Romans used tattoos to mark criminals. 在古希腊，纹身被用来辨认秘密社团的同组成员，而罗马人则用纹身来给犯人做记号。
美
