'Synanthesis' definitions:

Definition of 'Synanthesis'

From: GCIDE

Synanthesis \Syn`an*the"sis\ (s[i^]n`[a^]n*th[=e]"s[i^]s), n. [NL., fr. Gr. sy`n with + Gr. 'a`nqhsis bloom.] (Bot.) The simultaneous maturity of the anthers and stigmas of a blossom. --Gray. [1913 Webster]