(Sea of Showers) a dark plain in the second quadrant of the face of the moon: about 340,000 sq. mi. (880,000 sq. km).
Words nearby Mare Imbrium
Mare Crisium, Mare Erythraeum, Mare Fecunditatis, Mare Frigoris, Mare Humorum, Mare Imbrium, Mare Island, Marek's disease, mare liberum, maremma, maremma sheepdog