noun

• (uncountable) The act of detaining or the state of being detained.
• (countable) A temporary state of custody or confinement.
• (law) Confinement of a prisoner awaiting trial.
• (pedagogy) A punishment given to a student for a minor infraction, typically requiring the student to report to a designated room during recess or outside of school hours to work on homework or perform busywork.
• (civil law) The bare physical control without the mental element of intention required for possession.