heptamerous

[ hep-tam-er-uhs ]
/ hɛpˈtæm ər əs /

adjective

consisting of or divided into seven parts.

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Origin of heptamerous

First recorded in 1780–90; hepta- + -merous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for heptamerous

heptamerous
/ (hɛpˈtæmərəs) /

adjective

(esp of plant parts such as petals or sepals) arranged in groups of seven
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