To obligate; to bring or place under definite duties or legal obligations, particularly by a bond or covenant; to affect one., in a constraining or compulsory manner with a contract or a judgment. So long as a contract, an adjudication, or a legal relation remains in force and virtue, and continues to impose duties or obligations, it is said to be “binding.” A man is bound by his contract or promise, by a judgment or decree against him, by his bond or covenant, by an estoppel, etc.
BIND
TheLaw.com Law Dictionary & Black's Law Dictionary 2nd Ed.