Also found in: Thesaurus, Encyclopedia.
1. Botany Having serrations that are themselves serrated; doubly serrate: a biserrate leaf margin.
2. Zoology Serrated on both sides: biserrate antennae.
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.
1. (Botany) botany (of leaf margins, etc) having serrations that are themselves serrate
2. (Zoology) zoology serrated on both sides, as the antennae of some insects
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014