From WordNet (r) 2.0 (August 2003) [wn]:
macrocosm
n : everything that exists anywhere; "they study the evolution
of the universe"; "the biggest tree in existence" [syn:
universe, existence, creation, world, cosmos]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Macrocosm \Mac"ro*cosm\, n. [Macro- + Gr. ? the world: cf. F.
macrocosme.]
The great world; that part of the universe which is exterior
to man; -- contrasted with microcosm, or man. See
Microcosm.
[1913 Webster]