GNU, n. An animal of South Africa, which in its domesticated state resembles a horse, a buffalo and a stag. In its wild condition it is something like a thunderbolt, an earthquake and a cyclone.
CERBERUS, n. The watch-dog of Hades, whose duty it was to guard the entrance - against whom or what does not clearly appear; everybody, sooner or later, had to go there, and nobody wanted to carry off the entrance.
PRESIDE, v. To guide the action of a deliberative body to a desirable result. In Journalese, to perform upon a musical instrument; as, "He presided at the piccolo."