/koz"meuhs, -mohs/ , n. , pl. cosmos, cosmoses for 2, 4.
1. the world or universe regarded as an orderly, harmonious system.
2. a complete, orderly, harmonious system.
3. order; harmony.
4. any composite plant of the genus Cosmos, of tropical America, some species of which, as C. bipannatus and C. sulphureus, are cultivated for their showy ray flowers.
5. Also, Kosmos . ( cap. ) Aerospace. one of a long series of Soviet satellites that have been launched into orbit around the earth.
[ 1150-1200; ME kósmos order, form, arrangement, the world or universe ]