Définitions
1.NounA grave marker, a stone slab or similar object marking a person's grave.
2.NounThe symbol "∎" marking the end of a proof.
3.NounA marker that takes the place of deleted data, allowing for replication of the deletion across servers etc.
4.NounA crashdump.
5.NounAn unusual morphological feature on an electrocardiogram indicative of acute myocardial infarction, characterized by a massive ST elevation.
6.NounA printed advertisement in a newspaper or magazine, typically having unadorned centered text in black and white, enclosed in a simple box.
7.NounA museum plaque or caption displaying information about a work of art or exhibited object.
8.NounA pawnbroker's ticket.
9.VerbTo 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.
10.VerbFor 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. Often this indicates a surfer in difficulty, either held down by the power of a wave or unconscious and unable to get to the surface.
11.VerbTo replace (an object or data) with a tombstone marker.