(climbing) Land at sufficiently high altitudes that there is not enough oxygen to sustain human life.

plural of death zone

(US, originally in right-wing discourse, otherwise humorous) A fictitious government committee which is responsible for choosing which of various patients will receive healthcare, and which withholds life-saving treatment from some in order to reduce costs.

Alternative spelling of death knell

A snake of the genus Acanthophis, a group of highly venomous elapids found in Australia and New Guinea. / The copperhead, a venomous pit viper species Agkistrodon contortrix, found in North America.

Any of several desserts largely consisting of a chocolate cake with a chocolate sauce.

Alternative spelling of death rattle

The raspy or gurgling sound sometimes made by a person while drawing in or expelling their final breaths before dying.

(theology) In moral theology, the concept that human life can be a means to some other end and not solely an end itself.

The grip of something dead or dying. / A grip that kills. / (slang) A tight grip on the penis during masturbation. / A perilous situation or stalemate where failure or death is imminent.