planetdom

Noun

 * 1)  Those things that are planets; the state of being a planet.
 * 2) * 1873, Enoch Fitch Burr, Pater Mundi: Or, Doctrine of Evolution., Holmes Noyes, pages 233-234
 * One day our System in its progress through space neared these lost Children of the Mist [...] such incorrigible vagrants, were enough to corrupt the habits of the staidest young family in Planetdom.