LIAISE Meaning of LIAISE in English [ lɪ'eɪz ]■ verb1》 cooperate on a matter of mutual concern. 2》 ( ~ between ) act as a link to assist communication between.Origin1920s (orig. military sl.): back-form. from liaison . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004