[ bahy-pin-eyt ]
/ baɪˈpɪn eɪt /

adjective Botany.

pinnate, as a leaf, with the divisions also pinnate.

Origin of bipinnate

From the New Latin word bipinnātus, dating back to 1785–95. See bi-1, pinnate

Related forms

bi·pin·nate·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for bipinnate

British Dictionary definitions for bipinnate


/ (baɪˈpɪnˌeɪt) /


(of pinnate leaves) having the leaflets themselves divided into smaller leaflets

Derived Forms

bipinnately, adverb
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

Science definitions for bipinnate


[ bī-pĭnāt′ ]

Relating to compound leaves that grow opposite each other on a larger stem; twice-compound or twice-pinnate. Bipinnate leaves have a feathery appearance. The acacia, coffeetree, and silktree have bipinnate leaves.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.