As the context requires, the term means either the interest itself or the means by which a person's claim to it is evidenced, including a certificated or uncertificated security, a security certificate, or a security entitlement.
"Appropriate person". Section 8-107.
"Control". Section 8-106.
"Delivery". Section 8-301.
"Investment company security". Section 8-103.
"Issuer". Section 8-201.
"Overissue". Section 8-210.
"Protected purchaser". Section 8-303.
"Securities account". Section 8-501.
Mass. Gen. Laws ch. 106, § 8-102