noun

• (countable) A region or sovereign nation headed by a prince or princess.
• (theology, countable) A spiritual being, specifically in Christian angelology, the fifth level of angels, ranked above powers and below dominions.
• (obsolete) The state of being a prince or ruler; sovereignty, absolute authority.
• (now rare) The state of being principal; pre-eminence.
• Wales
• Alternative letter-case form of principality; any of the actual extant principalities. [(countable) A region or sovereign nation headed by a prince or princess.]