trimerous

[ trim-er-uh s ]
/ ˈtrɪm ər əs /

adjective

Botany. (of flowers) having members in each whorl in groups of three.
Entomology. having three segments or parts.

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Origin of trimerous

1820–30; < New Latin trimerus, equivalent to trimer- (see trimer) + -us -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for trimerous

British Dictionary definitions for trimerous

trimerous
/ (ˈtrɪmərəs) /

adjective

(of plants) having parts arranged in groups of three
consisting of or having three parts
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

Scientific definitions for trimerous

trimerous
[ trĭmər-əs ]

Having three similar parts or segments.
Having flower parts, such as petals, sepals, and stamens, in sets of three.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.