noun, plural pos·ti·ca [po-stahy-kuh] /pɒˈstaɪ kə/.
Origin of posticum
Examples from the Web for posticum
(Posticum) was the name given to the little door, leading from the back of the cavaedium or peristyle to the street.Quintus Claudius, Volume 1 of 2|Ernst Eckstein
A separate entrance, posticum (Fig. 115), usually connected the peristyle with a side street.Pompeii, Its Life and Art|August Mau
This was the posticum, by which the master of the house evaded the importunate visitors who filled the atrium.The Wonders of Pompeii|Marc Monnier