noun a patron deity or presiding genius.
2. monarch ·adj superior to others; preeminent; supreme; ruling.
3. monarch ·noun a very large red and black butterfly (danais plexippus);
called also milkweed butterfly.
4. monarch ·noun one superior to all others of the same kind; as, an oak is called the monarch of the forest.
5. monarch ·noun a sole or supreme ruler; a sovereign; the highest ruler; an emperor, king, queen, prince, or chief.