1 noun MIL, POLICE custodycoinneáil fem3 c m uto be in detentionbheith faoi choinneáildetention without trialcoinneáil gan triaildetention orderordú coinneála2 noun ED school punishmentcoinneáil istigh c m ucoimeád istigh c m uto give a pupil detentiondalta a choinneáil istigh, dalta a choimeád istighthey got lunchtime detentioncoinníodh istigh iad ag am lóin