(military) A zipline.

plural of death slide

(sports) A grouping/division of competitors containing many highly skilled ones, who need to eliminate each other to proceed to the next round.

The death of a language, when a language loses its last native speaker

(obsolete) At the point of death.

The loss of all civil and legal but not natural privileges, as by outlawry.

(insurance) Describing a joint life insurance policy that pays out in the event that both of the lives assured have died (not necessarily at the same time).

(insurance) Describing a joint life insurance policy that pays out (and then terminates) in the event that either of the lives assured die.

(video games) A (usually invisible) plane that causes the player character to die if touched or passed through.

plural of death barrier