Pronunciation: (sek'shu-nl), [key]
1. pertaining or limited to a particular section; local or regional: sectional politics.
2. composed of several independent sections: a sectional sofa.
3. of or pertaining to a section: a sectional view of the machine.
a sofa composed of several independent sections that can be arranged individually or in various combinations.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.