Macrocosm n. : The great world; that part of the universe which is exterior to man; -- contrasted with microcosm, or man. See Microcosm.

Example:
In your own words can you define Microcosm and Macrocosm?

Taxonomy
Macrocosm and microcosm, microcosm, free encyclopedia, History, scale, Greeks, levels, philosophical, the golden ratio, the golden mean, theory, compound, Discourses, social body, ancient Greek, ordered universe, search, Star Trek episode.

Defination from the web:
Macrocosm and microcosm is an ancient Greek schema of seeing the same patterns reproduced in all levels of the cosmos, from the largest scale ... Macrocosm/microcosm is a Greek compound of μακρο- "Macro-" and μικρο- "Micro-", which are Greek respectively for "large" and "small", and the ...