[a-ta-shey, at-uh- or, especially Brit., uh-tash-ey] 
| 1. | a diplomatic official attached to an embassy or legation, esp. in a technical capacity: a commercial attaché; a cultural attaché. |
| 2. | a military officer who is assigned to a diplomatic post in a foreign country in order to gather military information: an air attaché; an army attaché; a naval attaché. |
| 3. | Also, at⋅ta⋅che. attaché case. |
| at·ta·ché (āt'ə-shā', ā-tā-) n.
[French, from past participle of attacher, to attach, from Old French attachier; see attach.] |
A diplomatic officer attached to an embassy or consulate. Most attachés have specialties, such as military attachés, cultural attachés, economic attachés, and so forth.
Note: Some nations disguise spies as attachés.
tæˈʃeɪ