(pathology, US) The unexplained death of a baby usually while sleeping.

(pathology, Britain) The unexplained death of a baby, usually while sleeping.

A time limit in the form of a date on or before which something must be completed. / (archaic) A guideline marked on a plate for a printing press. / (archaic) A line that does not move.

(military) To render an item non-mission-capable; to ground an aircraft, etc.

an extremely dangerous location, structure or device / a plot device where a villain in a story puts a hero in an elaborate dangerous situation for the purposes of attempting a sadistic murder

A strike or blow that leads to death, especially a coup de grace. / Something that prevents the completion, or ends the existence, of a project etc.; a fatal setback.

A kiss on the cheek that signifies the death of the receiver, as delivered by a mob boss or one with such influence.

A title afforded to a dean. / (countable) A habitational surname from Middle English from Middle English dene “valley”.

A coastal town in Kent, England.

The personification of death, often a skeleton with a scythe, and one of the four horsemen of the apocalypse.