Celestial bodies in orbit around the sun at a distance greater than that of Neptune that have sufficient mass for their self-gravity to overcome rigid body forces so that they assume a hydrostatic equilibrium (near-spherical) shape, and that have not cleared the neighborhood around their orbit.
Person 1: "So what are some plutoids?"
Person 2: " Pluto and Eris are the only known plutoids. Ceres is between Mars and Jupiter, so it is NOT a plutoid."
Person 1: "Whatever. The InternationalAstronomical Union (IAU) is crazy anyway. Who uses this stuff?"
Political sciences term accurately describing modern mass "democracy" (rule of the common people) as a system in which actually plutocracy (rule of money) prevails. The super-rich capitalist upper class controls the media and the politicians with their money. Especially true of the United States.