n.1 what occupies one; a means of passing one's time.
2 a person's temporary or regular employment; a business, calling, or pursuit.
3 the act of occupying or state of being occupied.
4 a the act of taking or holding possession of (a country, district, etc.) by military force. b the state or time of this.
5 tenure, occupancy.
6 (attrib.) for the sole use of the occupiers of the land concerned (occupation road).
Etymology: ME f. AF ocupacioun, OF occupation f. L occupatio -onis (as OCCUPY)