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tombstone JUST WRITTEN FOR YOU

/tuːmstoʊn/ · tom·stone
noun
  1. A headstone marking a person's grave. The family placed a beautiful tombstone at the head of their loved one's grave.
  2. The symbol ∎ marking the end of a proof. The mathematician used the tombstone symbol to indicate the conclusion of the proof.
  3. A marker that takes the place of deleted data, allowing for replication of the deletion across servers etc. The database used a tombstone to mark the deleted records, ensuring data consistency across the network.
verb
  1. To take part in tombstoning: to jump into the sea, etc. from a cliff or other high point so as to enter the water vertically straight. The thrill-seeker decided to tombstone off the cliff, feeling the rush of adrenaline as she plunged into the ocean.
  2. For a surfboard to stand upright half-submerged in the water (like a tombstone, above) because the surfer is underwater with his or her legrope pulled tight. The surfer struggled to free himself from the tombstoned surfboard, which was holding him underwater.
  3. To replace (an object or data) with a tombstone marker. The programmer chose to tombstone the old database, replacing it with a new, more efficient system.
Did you know? The term 'tombstone' is also used in the context of tombstoning, a type of extreme sport where participants jump off high points into the water, often with a vertical entry.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Jul 14, 2026