Meaning of “occupy” - Learner’s Dictionary

occupy

verb [ T ] uk us /ˈɒkjəpaɪ/
FILL

B2 to fill a place or period of time:

His book collection occupies most of the room.
The baby seems to occupy all our time.
LIVE

to live or work in a room or building:

They occupy the second floor of the building.
CONTROL

to move into a place and take control of it:

The troops eventually occupied most of the island.

(Definition of “occupy” from the Cambridge Learner’s Dictionary © Cambridge University Press)