BRIEF, in Law, an abridgement of the client's case, made out for the instruction of counsel on a trial at law; wherein the case of the plaintiff, &c. is to be briefly but fully stated: the proofs must be placed in due order, and proper answers made to whatever may be objected to the client's cause by the opposite side; and herein great care is requisite, that nothing be omitted, to endanger the cause.