What is the meaning of Disengagement?

Release or detachment from a physical situation or other involvement.

The release or separation of a chemical.

Leisure; relief from responsibilities or onerous activities.

Withdrawal from combat, confrontation, or the assertion of influence.

Termination of an agreement to be married.

A circular movement of the blade that blocks an opponent's parry.

The emergence of the fetus from the birth canal.

Source: wiktionary.org