1
- a small recess for a domestic pigeon to nest in鸽笼。
1.1
- a small compartment, open at the front and forming part of a set, where letters or messages may be left for someone鸽笼式信件架中的一格。
1.2
- a similar compartment built into a desk for keeping documents in（书桌的）鸽笼式文件架。
1.3
- figurative a category to which someone or something is assigned〈喻〉分类：
'laddism' is a journalistic pigeon-hole for boisterously antisocial young men.
少男主义是用来指称躁动不安的反社会青年男子的新闻术语。
with obj.
1- deposit (a document) in a pigeon-hole把（文件）放入（鸽笼式）文件架。
1.1
- assign to a particular category or class, especially in a manner that is too rigid or exclusive（尤指过分刻板或排他性地）把…分类; 归档：
we won't pigeon-hole you as a scientist.
我们不会把你列入科学家的行列。
1.2
- put aside for future consideration搁置：
she pigeon-holed her worry about him.
她把对他的担心搁置了起来。