Indenture refers to a legal and binding agreement, contract, or document between two or more parties. An indenture is a legally binding agreement, contract, or document that has been made between two or more parties.An indenture agreement is a legally binding document or contract that establishes terms and conditions between two or more parties. An indenture agreement is a contract between two or more parties that outlines the rights and responsibilities of each party. 1) Generally, any written agreement between two parties. 2) A real estate deed in which two parties agree to continuing obligations. Indenture refers to a legal agreement or a deed between two or more to meet its respective obligations and is a common term used in the bond market. The meaning of INDENTURE is a document or a section of a document that is indented. How to use indenture in a sentence. "Trust Estate" has the meaning given to such term in the granting clause of this. Indenture.