tombstone (EN)

noun

noun “tombstone”

1. a marker placed at a grave to show who is buried there
   Mellen Iech un, fir d'Iwwersetzungen vun den Beispillsätz an d'monolingual Definitioune vun all Wuert ze gesinn.

   The old cemetery was filled with tombstones, each bearing the name and dates of the person buried beneath.
2. refers to the symbol "∎", which is used to indicate the end of a proof in mathematics
   After carefully laying out each step of the theorem, the mathematician concluded the proof with a tombstone, signaling to readers that no further explanation was needed.