tripterous

[ trip-ter-uhs ]
/ ˈtrɪp tər əs /

adjective Botany.

three-winged; having three wings or winglike expansions.

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Origin of tripterous

1865–70; <Greek tripteros;see tri-, -pterous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for tripterous

tripterous
/ (ˈtrɪptərəs) /

adjective

(of fruits, seeds, etc) having three winglike extensions or parts

Word Origin for tripterous

C19: from tri- + Greek -pteros, from pteron wing
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