A patera was a broad, shallow dish used for drinking, primarily in a ritual context such as a libation
Patera (plural paterae) is used in astrogeology to refer to shallow craters with irregular, sometimes scalloped rims
Patera (genus) is a kind of flattened or saucer-shaped land snail found in the eastern United States
A Patera (plural pateras) is, in architecture, a shallow circular decorative element, typically found on walls or at the junction of straight decorative elements such as ceiling coffers.