superorganism definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a colony of interdependent organisms, as in the social insects, whose castes, individuals, etc. act as a unit
superorganism definition by American Heritage Dictionary
A group of organisms, such as an insect colony, that functions as a social unit.