Indenture

INDENTURE – an agreement or deed between two or more parties conveying real estate, originally made in two parts so that it could be separated by tearing in a jagged line and matched later; a contract in which a person is bound over for service

Merriam-Webster Online Dictionary
indenture (noun)
1.
a) (1) a document or a section of a document that is - indented
(2) a formal or official document usually executed in two or more copies
(3) a contract binding one person to work for another for a given period of time - often used in plural
b) a formal certificate (as an inventory or voucher) prepared for purposes of control
c) a document stating the terms under which a security (as a bond) is issued
2.
- indentation
3.
- dent
indenture (verb)
transitive verb
to bind (as an apprentice) by or as if by - indentures