octamerous

[ok-tam-er-uh s]

Origin of octamerous

1860–65; < Greek oktamerḗs having eight parts (equivalent to okta- octa- + mér(os) -merous + -ēs adj. suffix) + -ous
Related formsoc·tam·er·ism [ok-tam-uh-riz-uh m] /ɒkˈtæm əˌrɪz əm/, noun
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British Dictionary definitions for octamerous

octamerous

adjective
  1. consisting of eight parts, esp (of flowers) having the parts arranged in groups of eight
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