departure

noun7

1. •
   The act of departing or something that has departed.

   • The departure was scheduled for noon.
2. •
   A deviation from a plan or procedure.

   • There are several significant departures, however, from current practice.
3. •
   The desertion by a party to any pleading of the ground taken by him in his last antecedent pleading, and the adoption of another
4. •
   (euphemistic) A death.

   • The time of my departure is at hand. — 1611
5. •
   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.
6. •
   The difference in easting between the two ends of a line or curve.

   • The area is computed by latitudes and departures.
7. •
   (no longer used) Division; separation; putting away.