monarch Definition

monarch
noun

1. A king, queen or other non-elected sovereign with a hereditary right to rule.

Thesaurus: sovereign, ruler, despot, potentate, autocrat, tyrant, king, emperor, empress.
2. A large butterfly with orange and black wings.

Derivative: monarchic
adj

Of, characteristic of or suitable for a monarch
Thesaurus: noble, autocratic, eminent, royal.

Etymology: 15c, originally meaning ‘a sole and absolute ruler': from Latin monarcha, from mon- + Greek archein to rule.