1
- a cage or pen for confining poultry（关家禽的）笼子; 栏舍。
1.1
- Brit. a basket used in catching fish〈英〉捕鱼篓。
with obj.(一般作 be cooped up)
1- confine in a small space禁闭; 将…禁锢在狭小空间：
being cooped up indoors all day makes him fidgety.
一天到晚待在家里使他心情烦躁。
1.1
- put or keep (a fowl) in a cage or pen将（家禽）关在笼子（或栏舍）里。
词源
Middle English cowpe; related to Dutch kuip 'vat' and German Kufe 'cask', based on Latin cupa. Compare with COOPER.