Wiktionary
supergalaxy
n. A very large, extended cluster of galaxy.
Wikipedia
Supergalaxy
Supergalaxy, super-galaxy, or super galaxy can refer to:
Usage examples of "supergalaxy".
By late afternoon, his conscious perception point seemed to be hanging below a supergalaxy of multicoloured stars, which threatened to make him giddy as he tried to examine it in all directions at once.