cli·nan·dri·um (kl?-n?n?dr?-?m)n. pl. cli·nan·dri·a (-dr?-?) Botany A hollow containing the anther in the upper part of the column of an orchid flower.[New Latin cl?nandrium : Greek kl?n?, couch (from kl?nein, to recline; see klei- in Indo-European roots) + New Latin -andrium, stamen (from Greek an?r, andr-, man; see -andry).]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.clinandrium (kl??nændr??m) n, pl -dria (-dr??) (Botany) botany a cavity in the upper part of the column of an orchid flower that contains the anthers. Also called: androclinium [C19: from New Latin, literally: bed for stamen, from Greek klin? couch + an?r man + -ium]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014