New definitions

CIRCUS, n. - A place where horses, ponies and elephants are permitted to see men, women and children acting the fool.

DENTIST, n. - A prestidigitator who, putting metal into your mouth, pulls coins out of your pocket.

NEWTONIAN, adj. - Pertaining to a philosophy of the universe invented by Newton, who discovered that an apple will fall to the ground, but was unable to say why. His successors and disciples have advanced so far as to be able to say when.