sissooDONATE sister sistar (Karbi) Contributed by: Sarthe Teron Milik (ছাৰ্থে টেৰন মিলিক) on 2014-07-26 1. (Common Noun-Feminine) a female member of a religious group, especially a nun. খ্ৰীষ্টিয়ান-সকলৰ সেৱিকা৷ English: nun, sister, Assamese: ছিষ্টাৰ, Karbi: sistar