IPA: /ˈkoʊˌsaɪnəˌtɔri/
KK: /ˈkoʊˌsaɪnəˌtɔri/
Referring to something that is signed by two or more parties together, indicating joint agreement or responsibility.
The cosignatory agreement was finalized by both companies.
A person or entity that signs a document along with one or more other signers, agreeing to the terms stated in that document.
The cosignatory agreed to the loan terms alongside the primary borrower.
Cosignatory → It is formed from "co-" (meaning together) and "signatory" (from Latin "signator", meaning one who signs). The word refers to a person who signs a document together with others, indicating joint agreement or responsibility.
Think of people 'together' ('co-') who are 'signing' ('signatory') a document, which helps you remember that a cosignatory is someone who signs alongside others.