tr.v., -cat·ed, -cat·ing, -cates.
- To set the boundaries of; delimit.
- To separate clearly as if by boundaries; distinguish: demarcate categories.
[Back-formation from DEMARCATION.]
demarcator de·mar'ca'tor n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
