codednote

noun
UK /ˈkəʊdɪd nəʊt/
US /ˈkoʊdɪd noʊt/

A codednote is a secret message written in a special code that only certain people can read.

She passed me a codednote that said 'meet me at the treehouse' in numbers.


OTHER MEANINGS

2. A note written in a computer programming language.

The developer left a codednote in the file explaining the bug.

3. A musical note represented by a code or symbol.

The codednote on the sheet music told the robot which tune to play.

4. A digital note stored in an app that is locked with a code.

He saved the treasure map as a codednote on his phone.