detainer Meaning, Definition & Usage

De*tain"er noun
Definitions
  1. One who detains.
  2. (Law) (a) The keeping possession of what belongs to another; detention of what is another's, even though the original taking may have been lawful. Forcible detainer is indictable at common law. (b) A writ authorizing the keeper of a prison to continue to keep a person in custody.

Webster 1913