Monarchs is a plural noun for the word "MONARCH."
1. A sovereign head of state, especially a king, queen, or emperor.
2. A large migratory orange and black butterfly that occurs mainly in North America. The caterpillar feeds on milkweed, using the toxins in the plant to render both itself and the adult unpalatable to predators.
3. A flycatcher found in Africa, Asia, and Australasia, typically having boldly marked or colourful plumage.
The monarchs of Europe ordered the vegetable to be widely planted.