1. (

• cryptography ,
• coding ,
• secret_writing ,
• steganography

) act of writing in code or cipher ;

1. (

• code

) attach a code to; "Code the pieces with numbers so that you can identify them later" ;

2. (

• code ,
• encipher ,
• cipher ,
• cypher ,
• encrypt ,
• inscribe ,
• write_in_code

) convert ordinary language into code; "We should encode the message for security reasons" ;

1. (

• collect ,
• cod

) payable by the recipient on delivery; "a collect call"; "the letter came collect"; "a COD parcel" ;