Some books designate this space the "sacellum", or chapel. Each curia had its own "sacellum". Both "sacellum" and "sacrarium" passed into Christian usage. "Sacellum", a diminutive from "sacer" ("belonging to a god"), is a shrine. A "sacellum" might be square or round. They show a round "sacellum" (small, uncovered shrine) with a metal balustrade. Also archaic is another "sacellum", which later was replaced by a classical edifice. The central room was the shrine of the legions' standards, or "sacellum". It is a "sacellum" dedicated to the Italian soldiers killed and missing during war. Therefore, they had to be reserved a "sacellum" within the new temple. She had a shrine "(sacellum)" and grove "(lucus)" at the top of the Via Sacra. In ancient Roman religion, a sacellum is a small shrine. The Lares Querquetulani ("tutelaries of the oak grove") had a shrine "(sacellum)" on the Esquiline.