"cosmos" in the noun sense

1. universe, existence, creation, world, cosmos, macrocosm

everything that exists anywhere

"they study the evolution of the universe"

"the biggest tree in existence"

2. cosmos, cosmea

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® (An amazing lexical database of English)

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