Detention (noun)

1. The act of detaining or the state of being detained.
2. The act of keeping someone in custody, especially in a prison or jail.
3. The act of holding someone back, especially in a place or situation where they cannot leave.
4. A period of time spent in custody or under arrest.
5. The temporary confinement of a student during school hours as a punishment for misbehavior.

Origin:

Mid 16th century: from latin detention- 'keeping back', from the verb detinere, from de- 'away, down' + tenere 'to hold'.

Examples:

1. The detention of the suspects was necessary for further investigation.
2. The detention center was overcrowded with illegal immigrants.
3. The detention of the protesters was met with criticism from human rights groups.
4. The detention of the ships caused an international incident.
5. The detention of the student for talking during class was deemed excessive by the parents.