adj.
Having a shallow notch at the tip, as in some petals and leaves.
[Latin ēmarginātus, past participle of ēmargināre, to take the edge away : ē-, ex-, ex- + margō, margin-, margin.]
emargination e·mar'gi·na'tion (-nā'shən) 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.