detainer noun¹. [dɪ'teɪnǝ] M16.
[formed as DETAINEE + -ER¹.]
A person who or thing which detains.

[TahlilGaran] English Dictionary ▲

detainer noun². [dɪ'teɪnǝ] E17.
[Anglo-Norman detener use as noun of inf. = Old & mod. French détenir: see DETAIN verb, -ER⁴.]
Law.
1. The action of withholding or keeping; spec. the (wrongful) retention of goods taken from the owner for distraint etc. E17.
forcible detainer the unlawful possession or retention of land by (the threat of) violence.

2. The detaining of a person, esp. in custody or confinement. Now arch. or Hist. L17.

3. An order authorizing the continued detention of a person in custody who would otherwise be released. M19.

[TahlilGaran] English Dictionary ▲