劍橋詞典one of a set of small boxes , open at the front , in which letters and messages are left for different people 鴿籠式分類架；信件格；文件格 Leave the report in my pigeonhole when you've read it. 你看完後把報告放在我的分類架裡。 習語put sth/sb in a pigeonhole 返回 pigeonhole