n.[C]

1. 君主
   The revolution overthrew the monarch.

   這場革命推翻了君主。

2. 最高統治者
3. 王，大王
   The lion is the monarch of the jungle.

   獅為叢林之王。

n.

1. a sovereign head of state, especially a king, queen, or emperor.
2. a large migratory orange and black butterfly, chiefly North American, whose caterpillars feed on milkweed. [Danaus plexippus.]
3. (also monarch flycatcher) a flycatcher of Africa, Asia, and Australasia, typically with bold plumage. [Family Monarchidae: many species.]