One of the parts or spaces into which an area is subdivided.
A separate room, section, or chamber: a storage compartment.
To compartmentalize: "The information has not been compartmented” ( John H. Cushman, Jr.)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.