Entry from British & World English dictionary
Assent of the sovereign to a Bill which has been passed by Parliament, and which thus becomes an Act of Parliament. Royal assent by the sovereign (in person or through commissioners of the Crown) is required before a Bill (or a Measure passed by the General Synod of the Church of England) can come into force as law, but it has not been withheld since 1707.
Definition of royal assent in:
- The British & World English dictionary