multi-employer
/ˌmʌltɪɪmˈplɔɪə/ /ˌmʌltɪɛmˈplɔɪə/adjective
Of or relating to a number of employers; involving the collaboration or participation of a number of employers.
- Used chiefly in the context of pay agreements and other aspects of labour relations..
Origin
1940s; earliest use found in Journal of Political Economy. From multi- + employer.