D defs.my
Entry 3 senses Webster, 1913

Occupancy

/äk'-yəp-ən-sē/ · Oc·cu·pan·cy · IPA /ˈɑkjəpənsiː/
01 n. The act of taking or holding possession, especially of real property or rental property; possession; occupation.
  1. 1.
    The act of taking or holding possession, especially of real property or rental property; possession; occupation.
  2. 2.
    The state or condition of being occupied; as, occupancy by more than 250 people is dangerous and unlawful.
  3. 3.
    The period of time during which one occupies a property.
Phrases & compounds
Title by occupancy — a right of property acquired by taking the first possession of a thing, or possession of a thing which belonged to nobody, and appropriating it.