[n] the act of occupying or taking possession of a building; "occupation of a building without a certificate of occupancy is illegal"
[n] the principal activity in your life that you do to earn money; "he's not in my line of business"
[n] any activity that occupies a person's attention; "he missed the bell in his occupation with the computer game"
[n] the control of a country by military forces of a foreign power
[n] the period of time during which a place or position or nation is occupied; "during the German occupation of Paris"