cipher noun
also chiefly British cypher /ˈsaɪfɚ/ plural ciphers
also chiefly British cypher /ˈsaɪfɚ/ plural ciphers
Learner's definition of CIPHER
1
technical : a way of changing a message to keep it secret : code密码;暗号 [count]
[noncount]
2
[count] formal + disapproving : a person who has no power or is not important无足轻重的人