biserrate

American

[bahy-ser-eyt, -it] / baɪˈsɛr eɪt, -ɪt /

adjective

Botany.

notched like a saw, with the teeth also notched; doubly serrate.

biserrate British

/ baɪˈsɛreɪt, -ɪt /

adjective

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

Etymology

Origin of biserrate

First recorded in 1825–35; bi- ¹ + serrate

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023