(of a leaf) divided in a pinnate manner.
Origin of pinnatisect
1855–60; pinnati- + -sect
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for pinnatisect
Historical Examples of pinnatisect
Pinnatifid, Pinnatisect, same as pinnately cleft and pinnately parted, 56.The Elements of Botany
With the Compositæ, swarms of small Cruciferæ occur; that with purple flowers and pinnatisect leaves being the most common.
(of leaves) pinnately divided almost to the midrib but not into separate leaflets
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