Black's Law Dictionary (2nd edition)dictionaries

Amicus Curls

Lat A friend of the court A by-stander (usually a counsel-lor) who Interposes and volunteers lnforma-tion upon some matter of law in regard to which the judge is doubtful or mistaken, or upon a matter of which the court may take judicial cognizance. Counsel in court fre-quently act in this capacity when they happen to be in possession of a case which the judge has not seen, or does not at the moment remember. Taft v. Northern Transp. Co., 56 N. H. 416; Birmingham Loan, etc., Co. v. Bank, 100 Ala. 249, 13 South. 945, 46 Am. St. Rep. 45; lu re Columbia Real Es-tate Co. (D. C.) 101 Fed. 970

Source: Black's Law Dictionary 2nd Ed (1910)