[hap-ee] 
) | a Japanese lounging jacket with wide, loose sleeves and often an overlapping front closure usually tied with a sash. |
| hap·pi coat (hāp'ē) n. A Japanese jacket made of cotton or similar material and having an open front, often fastened with ties. [Japanese happi : han, half (from Middle Chinese panh) + pi, to wear (from Middle Chinese bi  , phi).] |