Dictionary
de•mar•ca•tion
Pronunciation: (dē"mär-kā'shun), [key]—
n.
1. the determining and marking off of the boundaries of something.
2. separation by distinct boundaries:
line of demarcation. Also,de"mar•ka'tion.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.