spotcode
nounUK /ˈspɒt.kəʊd/
US /ˈspɑːt.koʊd/
A spotcode is a special code made of dots or spots that a machine can read.
The teacher showed us how to scan the spotcode on the library book.
OTHER MEANINGS
2. A code used in a game to mark a hidden spot.
Write the spotcode on the map so we can find the treasure.
3. A short nickname or tag for a particular place.
Our club uses the spotcode 'beach7' for our meeting point.
4. A small mark or dot that stands for something in a puzzle.
Each spotcode in the puzzle stands for a different letter.