Pronunciation: (mak'ru-koz"um), [key]
1. the great world or universe; the universe considered as a whole (opposed to microcosm).
2. the total or entire complex structure of something: the macrocosm of war.
3. a representation of a smaller unit or entity by a larger one, presumably of a similar structure.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.