What does the word sine mean?

Usage examples for sine

  1. You cannot make a privateer, and turn private acts that, by the law of nations and by municipal law, are piratical, into acts of war, which are of the same intrinsic quality and have the force of national acts, unless by this sine qua non of public authority and adoption. – Trial of the Officers and Crew of the Privateer Savannah, on the Charge of Piracy, in the United States Circuit Court for the Southern District of New York by A. F. Warburton
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