carry-alongcode
nounUK /ˈkæri əˈlɒŋ kəʊd/
US /ˈkæri əˈlɔːŋ koʊd/
A carry-alongcode is a special code you take with you to open or use something.
She wrote the carry-alongcode on her hand so she could get into the clubhouse.
OTHER MEANINGS
2. A code that travels with a package so people know where it came from.
The box had a carry-alongcode printed on the side.
3. A small set of letters and numbers you keep with you for a game.
Each player gets a carry-alongcode at the start of the treasure hunt.
4. A code that moves with a file when you send it to someone.
The carry-alongcode tells the computer who made the picture.