unseentag
nounUK /ʌnˈsiːntæɡ/
US /ʌnˈsiːntæɡ/
An unseentag is a hidden label that you cannot see.
The game gave the treasure an unseentag so players had to find it by clues.
OTHER MEANINGS
2. A tag on a post that only certain people can view.
She added an unseentag to her photo so only her close friends could see it.
3. A digital marker used by a computer but not shown on the screen.
The program attached an unseentag to the file to track its origin.
4. A name for something that has not yet been noticed or discovered.
The rare bird was an unseentag in the park until a photographer spotted it.