equity security
A security representing an ownership interest in a corporation, such as a share of stock, rather than a debt interest, such as a bond; any stock or similar security, or any security that is convertible into stock or similar security or carrying a warrant or right to subscribe to or purchase stock or a similar security, and any such warrant or right. [Cases: Corporations 63.1; Securities Regulation 5.25. C.J.S. Securities Regulation § 26.]