(shipbuilding) A storm shutter fitted to the outside of the quarter-gallery door.

(idiomatic) A condition of suffering, solitude, or impairment so extreme as to deprive one's existence of all happiness and meaning.

(obsolete) To put to death.

(idiomatic) An absolute or total loss.

(object-oriented programming, humorous) The diamond problem.

(nautical) A wind directly ahead, or opposed to the ship's course.

The moment of death.

Alternative form of dead on

(architecture) A blank wall unbroken by windows or other openings.

(nautical) The transverse upward curvature of a vessel's floor.