Illustrated Companion to the Latin Dictionary/Postscenium

This article incorporates text from a publication now in the public domain: Rich, Anthony (1849). The illustrated companion to the Latin dictionary, and Greek lexicon. p. vi. OCLC 894670115. https://archive.org/details/illustratedcompa00rich. 

POSTSCE'NIUM. That part of a Roman theatre which lies behind the scenes (scena), to which the actors withdrew from the stage to make any change in their costume, or perform such actions as required to be concealed from the spectators. Lucret. iv. 1179. See the ground-plan s. THEATRUM ROMANUM, on which it is marked EE.