A death knell is the ringing of a church bell to announce the death of a person. Historically,[where?][when?] it was the second of three bells rung around...

A death mask is a likeness (typically in wax or plaster cast) of a person's face after their death, usually made by taking a cast or impression from the...

classical Freudian psychoanalytic theory, the death drive (German: Todestrieb) is the drive toward death and destruction, often expressed through behaviors...

A death erection, angel lust, rigor erectus, or terminal erection is a post-mortem erection, technically a priapism, observed in the corpses of men who...

Brain death is the permanent, irreversible, and complete loss of brain function which may include cessation of involuntary activity necessary to sustain...

Voodoo death, a term coined by Walter Cannon in 1942 also known as psychogenic death or psychosomatic death, is the phenomenon of sudden death as brought...

A death anniversary (or deathday) is the anniversary of the death of a person. It is the opposite of birthday. It is a custom in several Asian cultures...

A death rattle is noisy breathing that often occurs in someone who is near death. It is caused by an accumulation of fluids such as saliva and bronchial...

A death threat is a threat, often made anonymously, by one person or a group of people to kill another person or group of people. These threats are often...

"Death Knell" is the 16th episode from the seventh season of military science fiction adventure television show Stargate SG-1 and is the 148th overall...