at ‧ taché /əˈtæʃeɪ $ ˌætəˈʃeɪ/ BrE AmE noun [countable]
[ Date: 1800-1900 ; Language: French ; Origin: past participle of attacher , from Old French atachier ; ⇨ ↑ attach ]
someone who works in an ↑ embassy and deals with a particular subject:
a cultural attaché