trimerous [trim-er-uh s] EXAMPLES|WORD ORIGIN adjective Botany. (of flowers) having members in each whorl in groups of three. Entomology. having three segments or parts.
Origin of trimerous 1820–30; New Latin trimerus, equivalent to trimer- (see) + -us Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 Examples from the Web for trimerous Historical Examples of trimerous
So in fuchsias, a very common deviation consists in a trimerous and rarely a dimerous symmetry of the flower.
Maxwell T. Masters
A very minute joint at the base of the claw-joint, in most Tetramerous and Trimerous beetles.
Trimerous insects are those whose tarsi consist of only three joints.
British Dictionary definitions for trimerous trimerous 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 trimerous in Science trimerous [trĭm′ər-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.