[ si-noi-kuh s ]
/ sɪˈnɔɪ kəs /

adjective Botany.

having male and female flowers on one head, as in many composite plants.
Also synecious, syn·oe·cious [si-nee-shuh s] /sɪˈni ʃəs/.

Origin of synoicous

1860–65; < Greek sýnoikos dwelling in the same house, equivalent to syn- syn- + oik- (base of oîkos, oikía house, oikeîn to dwell) + -os adj. suffix; see -ous

Related forms

syn·oi·cous·ly, syn·oe·cious·ly, adverbsyn·oi·cous·ness, syn·oe·cious·ness, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for synoecious


synecious synoicous (sɪˈnɔɪkəs)

/ (sɪˈniːʃəs) /


(of a bryophyte) having male and female organs together on a branch, usually mixed at the tip

Word Origin for synoecious

C19: syn- + -oecious, from Greek oikion diminutive of oikos house
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