Cosmos is originally a Greek word, meaning both " order " and "world," because the ancient Greeks thought that the world was perfectly harmonious and impeccably put in order. We now use cosmos without the idea of perfect order. Cosmos often simply means " universe ". But the word is generally used to suggest an orderly or harmonious universe, as it was originally used by Pythagoras in the 6th century B.C. cosmos noun 1. universe, world, creation, macrocosm a religion which offers a sense of the place of humanity in the cosmos Cosmos seeds are easy to plant and grow and will get your gardening off to a great start. In summer, sunflowers and cosmos brightened the roadside. According to the old Scandinavian fable of the cosmos , the whole world is encircled in the coils of a vast serpent.
