Subsidy

In English law

An aid, tax or tribute granted by parliament to the king for the urgent occasions of the kingdom, to be levied on every subject of ability, acoording to the value of his lands or goods.

Jacob.

In American law

A grant of money made by government in aid of the promoters of any enterprise, work, or improvement in which the government desires to participate, or which is considered a proper subject for state aid, because likely to be of benefit to the public. In International law. The assistance given in money by one nation to another to enable it the better to carry on a war, when such nation does not join directly in the war. Vattel, bk.

3, § 82.