■ noun
1》 a son, grandson, or other close male relative of a monarch.
↘a male monarch of a small state, actually or nominally subject to a king or emperor.
↘(in some European countries) a nobleman, usually ranking next below a duke.
2》 ( ~ of or among ) a man or thing pre-eminent in a particular sphere or group.
Phrases
~ of the blood a ~ by right of royal descent.
Derivatives
~dom noun
~like adjective
Origin
ME: via OFr. from L. ~ps , princip- 'first, chief, sovereign', from primus 'first' + capere 'take'.