What is to come or descend; to be fixed; to take effect, as a title or right; -- followed by in; as, upon the death of the ancestor, the estate, or the right to the estate, vests in the heir at law called?

vest — To come or descend; to be fixed; to take effect, as a title or right; -- followed by in; as, upon the death of the ancestor, the estate, or the right to the estate, vests in the heir at law. (Webster's 1913.)