Indenture refers to a legal and binding agreement, contract, or document between two or more parties. An indenture is a legal contract that reflects an agreement between two parties.Although the term is most familiarly used to refer to a labor contract. A contract between an Issuer and a Trustee (normally a commercial bank with trust powers) under which the Issuer issues Bonds and specifies their Maturities. This Supplemental Indenture is being entered into pursuant to the provisions of Sections 301 and 901 of the Base Indenture. Indenture is a legal contract between a borrower and a lender that outlines the terms and conditions of a debt issue. Learn about types, terms and sig. CHAPTER I. An act to enable the State Bank to wind up gradually, and to fix auniform rate of collection. Capitalized terms used herein for which no definition is provided herein shall have the meanings set forth in the Indenture. Indentures still exist today.