PATERA, the Latin name for a shaUow circular vessel used for drinking or for pouring libations. The Greek name for such a vessel was 4)ia\r]. It has no foot or stem underneath, but occasionally a boss rising in the centre inside. The term is sometimes given incorrectly in architecture to a circular disk carved with a conventional rose, which is found in many early styles, the proper term being rosette.
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)