D defs.my
Entry 2 senses Webster, 1913

Patera

/pät-ĕr'-ə/ · Pat·e·ra · IPA /pɑtˈɛrə/
01 n. A saucerlike vessel of earthenware or metal, used by the Greeks and Romans in libations and sacrifices.
pl. Pateræ
  1. 1.
    A saucerlike vessel of earthenware or metal, used by the Greeks and Romans in libations and sacrifices.
  2. 2.
    A circular ornament, resembling a dish, often worked in relief on friezes, and the like.(Arch.)