Définitions
1.NounA broad, shallow dish used for drinking, primarily in ritual contexts such as libations.
2.NounA circular ornament, resembling a dish, often worked in relief on friezes etc.
3.NounThe caldera or crater (dish-shaped depression) atop a volcano, especially an extraterrestrial one; also used in the names of extraterrestrial volcanoes which have such a caldera.