detainer

n. 拘留者, 非法留置, 继续监禁令
【法】 阻止者, 拘者者, 扣押者

de.tain.er

n.Law （名词）【法律】
A withholding from the rightful owner of property that has lawfully come into the possession of the current holder.
扣押：扣留财产现在持有者依法获得的财产
The detention of a person, especially in custody.
拘禁，拘留：对一个人的拘禁，尤指把人关在拘禁室里
A writ authorizing the further detention of a person in custody, pending further action.
继续拘留状：继续拘留某人等待进一步审理的文书