COSMOS

universe, existence, creation, world, cosmos, macrocosm

(noun) everything that exists anywhere; “they study the evolution of the universe”; “the biggest tree in existence”

cosmos, cosmea

(noun) any of various mostly Mexican herbs of the genus Cosmos having radiate heads of variously colored flowers and pinnate leaves; popular fall-blooming annuals

Source: WordNet® 3.1

Proper noun

Cosmos

A city in Minnesota.

Etymology 1

Noun

cosmos (countable and uncountable, plural cosmoses or cosmoi)

The universe.

An ordered, harmonious whole.

Etymology 2

Noun

cosmos (countable and uncountable, plural cosmos)

Any of various mostly Mexican herbs of the genus Cosmos having radiate heads of variously coloured flowers and pinnate leaves.

Etymology 3

Noun

cosmos

plural of cosmo

Source: Wiktionary

Cos"mos (kz"ms), n. Etym: [NL., fr. Gr. ko`smos order, harmony, the world (from its perfect order and arrangement); akin to Skr. to distinguish one's self.]

1. The universe or universality of created things; -- so called from the order and harmony displayed in it.

2. The theory or description of the universe, as a system displaying order and harmony. Humboldt.

Source: Webster’s Unabridged Dictionary 1913 Edition