SICYOS, in botany: A genus of plants belonging to the class of monocotyledons, and to the order of synangenia; and in the natural system arranged under the 34th order, Cucurbitaceæ. The male flowers have their calyx quinquedentated, their corolla quinquepartite, and there are three filaments. The female flowers have their calyx and corolla similar; but their style is trifid, and their drupa monospermous. There are three species, the magulata, lacininata, and garcini, which are all foreign plants.