[ˈkəʊsʌɪn], (Verb)

Definitions:
- sign (a loan or lease) jointly with another person in order to guarantee payment
(e.g: you may have to get someone to co-sign your loan if you do not have a previous credit history)

- sign (a document) jointly with another or others
(e.g: he is joined by a host of musical artists who co-signed an open letter to the US Congress)


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