• synonyms


adjective Botany.
  1. (of a leaf) divided in a pinnate manner.
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Origin of pinnatisect

1855–60; pinnati- + -sect
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for pinnatisect

Historical Examples

  • Pinnatifid, Pinnatisect, same as pinnately cleft and pinnately parted, 56.

    The Elements of Botany

    Asa Gray

  • With the Compositæ, swarms of small Cruciferæ occur; that with purple flowers and pinnatisect leaves being the most common.

British Dictionary definitions for pinnatisect


  1. (of leaves) pinnately divided almost to the midrib but not into separate leaflets
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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