Indenture (noun)

1. A legal agreement or contract, especially one concerning apprenticeship or service, or between a lender and borrower.
2. A document recording such an agreement or contract, typically written on parchment and divided into two matching parts, one of which was retained by each party.

Origin:

Middle english: from old french endentour, from en- "in" + tour "turn, circuit".

Examples:

1. He signed an indenture to serve as an apprentice for seven years.
2. The indenture specified the terms of the loan.
3. The indenture was a binding agreement between the two parties.
4. The indenture was written on parchment and signed in the presence of witnesses.
5. The indenture was a historical document and valuable collector's item.