What is Certificate Of Stock?

Legal Definition
A certificate of a corporation or joint-Stock company that the person named is the owner of a designated number of shares of its stock; given when the subscription is fully paid and the "scrip-certificate" taken up. Gibbons v. Mahon, 136 U. S. 549, 10 Sun. Ct. 1057, 34 L. Ed. 525 ; Merritt v. Barge Co., 79 Fed. 235, 24 C. C. A. 530.
-- Black's Law Dictionary
Legal Definition
A certificate evidencing the ownership of a certain number of shares of stock of the corporation therein named. See 49 N. J. L. 48, 7 Atl. 672.
-- Ballentine's Law Dictionary