FEVILLEA, in botany: A genus of the pentandra order, belonging to the diccia class of plants; and in the natural method ranking under the 34th order, Cucurbitaceæ. The male calyx is quinquefid; the corolla the same; there are five stamens; and the nectarium consists of five filaments connivent or closing together. The female calyx is quinquefid; the styles are three; and the fruit is an hard trilocular apple with an hard bark.