The Collaborative International Dictionary
Posticous
Posticous \Pos"ti*cous\, a. [L. posticus.] (Bot.)
Posterior.
Situated on the outer side of a filament; -- said of an extrorse anther.
Wiktionary
posticous
a. 1 (context botany English) posterior 2 (context botany English) Situated on the outer side of a filament; said of an extrorse anther.