(Askeri) HAVA DELİĞİ: Bir tertibattaki havalandırma deliği. Bu gibi delikler sayesinde dahili basınç atmosfer basıncı ile aşağı yukarı aynı seviyede muhafaza edilir
If you take a breather, you stop what you are doing for a short time and have a rest. Relax and take a breather whenever you feel that you need one. to stop what you are doing for a short time in order to rest, especially when you are exercising heavy breather