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