圓盤飾; 插座
Patera \Pat"e*ra\, n.; pl. {Pater[ae]}(?). [ L., fr. patere to
lie open.]
1. A saucerlike vessel of earthenware or metal, used by the
Greeks and Romans in libations and sacrificies.
2. (Arch.) A circular ornament, resembling a dish, often
worked in relief on friezes, and the like.