departure

The act of departing or something that has departed.

A deviation from a plan or procedure.

(euphemistic) A death.

(navigation) The distance due east or west made by a ship in its course reckoned in plane sailing as the product of the distance sailed and the sine of the angle made by the course with the meridian.

(surveying) The difference in easting between the two ends of a line or curve.

(law) The desertion by a party to any pleading of the ground taken by him in his last antecedent pleading, and the adoption of another

(obsolete) Division; separation; putting away.