Exists in informal usage (UK extreme sport, computing, telecommunications).
Definitionen
To leap vertically from a height into water while keeping the body rigid, as in the extreme sport of cliff diving. Teenagers were warned not to tombstone from the harbour walls.
In computing, to mark a record as logically deleted by replacing it with a placeholder. The synchronization process tombstones any items that the user deletes.
Attributive use meaning ‘relating to or resembling a tombstone’ (e.g., “tombstone advertisement”).
Definitionen
Relating to or resembling a tombstone; used before another noun. The newspaper ran a tombstone advertisement announcing the merger.