department
nounUK /dɪˈpɑːtmənt/
US /dɪˈpɑːrtmənt/
A department is a part of a big place, like a store or a school, that does one special job.
She works in the toy department of the big store.
OTHER MEANINGS
2. One part of a government that takes care of a certain job.
The fire department came quickly to help.
3. A subject area you study at a school or college.
He teaches in the science department.
4. A part of a whole thing that is separate from the rest.
Honesty is an important department of being a good friend.