- notched like a saw, with the teeth also notched; doubly serrate.
Origin of biserrate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for biserrate
- botany (of leaf margins, etc) having serrations that are themselves serrate
- zoology serrated on both sides, as the antennae of some insects
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012