Word: koban
Part of speech: Noun
Syllables: ko
ban
Definition: A small community police office or a police box, especially one in Japan.
Morphemes:
Affix: koban
Language: en
PoS: Noun
Meaning: A small community police office or a police box, especially one in Japan.
Etymology Compounds: Affix: 交番
Language: ja
Decoded: Jiao Fan 
Meaning: こうばん, kōban