li·ai·son 
/ˈli:jəˌzɑ:n, liˈeɪˌzɑ:n/ noun
plural li·ai·sons /ˈli:jəˌzɑ:n, liˈeɪˌzɑ:n/ noun 1 a [count] : a person who helps organizations or groups to work together and provide information to each other
▪ She acts as a liaison between the police department and city schools.
b : a relationship that allows different organizations or groups to work together and provide information to each other [noncount] ▪ Administrators need to maintain better/closer liaison with employees. [singular] ▪ Administrators need to establish a close liaison with employees. 2 [count] : a secret sexual relationship : affair
▪ He regretted his liaison with a woman from the office. ▪ sexual liaisons
▪ She acts as a liaison between the police department and city schools.
b : a relationship that allows different organizations or groups to work together and provide information to each other [noncount] ▪ Administrators need to maintain better/closer liaison with employees. [singular] ▪ Administrators need to establish a close liaison with employees.
▪ He regretted his liaison with a woman from the office. ▪ sexual liaisons
