Defn: The free-swimming larva of sea urchins and ophiurans, having several long stiff processes inclosing calcareous rods.

PLUTO
Plu"to, n. Etym: [L., fr. Gr. (Class. Myth.)

Defn: The son of Saturn and Rhea, brother of Jupiter and Neptune; the dark and gloomy god of the Lower World. Pluto monkey (Zoöl.), a long- tailed African monkey (Cercopithecus pluto), having side whiskers. The general color is black, more or less grizzled; the frontal band is white.

PLUTOCRACY
Plu*toc"ra*cy, n. Etym: [Gr. plutocratie.]

Defn: A form of government in which the supreme power is lodged in the hands of the wealthy classes; government by the rich; also, a controlling or influential class of rich men.

PLUTOCRAT
Plu"to*crat, n.

Defn: One whose wealth gives him power or influence; one of the plutocracy.

PLUTOCRATIC
Plu`to*crat"ic, a.

Defn: Of or pertaining to plutocracy; as, plutocratic ideas. Bagehot.

PLUTOLOGY
Plu*tol"o*gy, n. Etym: [Gr. -logy.]