Commonwealth

commonwealth

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1 : a nation, state, or other political unit: as
a : one founded on law and united by compact or tacit agreement by the people for the common good
b : one in which supreme authority is vested in the people
c : republic
2 : a state of the U.S. used officially of Kentucky, Massachusetts, Pennsylvania, and Virginia
3 often cap
: an association of self-governing autonomous states more or less loosely associated in a common allegiance (as to the British crown)
4 often cap
: a political unit having local autonomy but voluntarily united with the U.S. used officially of Puerto Rico and the Northern Mariana Islands