Meaning of Serbonian

Ser•bo•ni•an

Pronunciation: (sur-bō'nē-un), [key]
— adj.
  1. of, pertaining to, or designating the large marshy tract of land in the northern part of ancient Egypt in which entire armies are said to have been swallowed up.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.