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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; see merg- in Indo-European roots.]
e·mar′gi·na′tion (-nā′shən) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
the state of being notched at the edge or the process of notching at the edge, as some leaves or the page of a book, particularly a reference work with thumbindexing.See also: Books
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.