cull

名词 cull:

1. the person or thing that is rejected or set aside as inferior in quality
   同义词：reject

动词 cull:

1. remove something that has been rejected
2. look for and gather
   同义词：pick, pluck

1. The information is culled from various reference books.
   这份资料是从各种参考书中摘出的。
2. Deer are culled by hunters.
   猎人把鹿杀掉了一批。

cull

v.tr.（及物动词）
culled,cull.ing,culls
To pick out from others; select.
挑选：从其他东西中选出；挑选
To gather; collect.
采集；收集
To remove rejected members or parts from (a herd, for example).
去掉，剔除：从（如牧群等）中剔除不好的成员或部分
n.（名词）
Something picked out from others, especially something rejected because of inferior quality.
杂质：从其它东西中拣出的物品，尤指因为内在质量低劣而被抛弃的东西

来源：
Middle English cullen
中古英语 cullen
from Old French cuillir
源自 古法语 cuillir
from Latin colligere * see collect
源自 拉丁语 colligere *参见 collect

【引伸】
cull.er
n.（名词）