Definition of possession:

part of speech: noun

State of owning or having in one's own power; that which is possessed; occupancy; property; state of being under the power of invisible beings; madness.

Usage examples:

• They had so nearly lost that possession Rose Macaulay in "The Furnace".

• She was not the only one who had seen the pin in Constance's possession Pauline Lester in "Marjorie Dean High School Freshman".

• With these keys in his possession Snipper went back to the circus grounds. Ralph Bonehill in "Leo the Circus Boy".

• I have it in my possession Pauline Lester in "Marjorie Dean High School Freshman".