Zeta Piscium is a star located in the constellation Pisces. Astronomers sometimes refer to it as HD 218917, a designation given to it by the Henry Draper Catalogue. Another term used for Zeta Piscium is Alrescha, which comes from the Arabic word meaning "the cords." Alrescha refers to the visual appearance of the star, as it appears to be a pair of stars that are connected by a thin line. Another synonym for Zeta Piscium is SS 136, which signifies that it is a member of the Struve-Sahade catalogue. Zeta Piscium is also a spectral class A star, meaning that it has a white or bluish-white color.