compartments

noun

1. 1

   A room, or section, or chamber

   “Two men were seated in a well-lighted compartment of a third-class railway carriage.”

2. 2

   One of the parts into which an area is subdivided.

3. 3

   Part of a protein that serves a specific function.

4. 4

   A mound (often of grass) beneath the shield in a coat of arms on which the supporters stand.

5. 5

   A region in the body, delimited by a biological membrane.