Common meanings of Separation include:
A legal term to describe the living arrangements of a married couple living apart with court-ordered terms of child custody and support and finances.
A clear division, such as that which lies between church and state in the U.S., in accordance with the First Amendment.
A bodily injury, commonly to the shoulder, in which the joint between the collarbone and the shoulder blade is disrupted.
The act of leaving the military and transitioning to civilian life.
A process in chemistry which turns a mixture of two or more substances into unique components.
An air traffic control term that refers to the process of keeping various aircraft in flight an appropriate distance apart.
La Separation is a 1994 French film that explores a marriage that has lost its spark.
Related Separation Resources
About.com Agnosticism/Atheism: Separation of Church and State FAQ [1]
About.com Divorce Support: What is The Difference Between a Legal Separation and Divorce? [2]
About.com Orhtopedics: Shoulder Separation [3]
About.com US Military: Military Separation - Transitioning to a Civilian Career [4]
ATC Monitor: The Air Traffic Control System [5]
Chemistry Daily: Separation Process [6]
New York Times: La Separation Movie [7]