Definition of "Possession" :

noun: anything owned or possessed

noun: the act of having and controlling property

noun: (sport) the act of controlling the ball (or puck)

"They took possession of the ball on their own goal line."

noun: the trait of resolutely controlling your own behavior

noun: a territory that is controlled by a ruling state

noun: a mania restricted to one thing or idea

noun: being controlled by passion or the supernatural