a milky-white, translucent feldspar with a pearly lustre, used as a gem (supposed to be formed from the congelation of the mooṇs rays and to dissolve under the influence of its light); the moonstone.

moonlight.

the plant Calonyction bona-nox of Convolvulaceae family.

its flower.

another plant Ipomoea alba (= I. bona-nox) of the same family.