codedmessage
nounUK /ˈkəʊdɪd ˈmesɪdʒ/
US /ˈkoʊdɪd ˈmesɪdʒ/
A coded message is a secret note that you need a special key to read.
The spy sent a coded message that only her friend could understand.
OTHER MEANINGS
2. A message written in a code or cipher so others cannot read it.
The general received a coded message about the battle plan.
3. A hidden meaning in words or symbols that must be figured out.
The treasure map was really a coded message pointing to the gold.
4. A note that uses symbols or numbers instead of normal letters.
He wrote a coded message using numbers for each letter.