/ɑˈkɑs/ – Noun
Definition: Advisory, Conciliation and Arbitration Service – Dịch vụ Tư vấn, Hoà giải và Trọng tài
A more thorough explanation: (UK) The Advisory, Conciliation and Arbitration Service. ACAS provides information, advice, training, conciliation and other services for employers and employees to help prevent or resolve workplace problems.
Example: The talks were held at conciliation service Acas.