1 the drifting of a ship etc away from its true course, or the amount of this.
az: yolundan dönmə, azma, sürüşmə
ru: дрейф
2 lost time: He has a lot of leeway to make up at school after being away ill.
az: zaman itkisi
ru: упущенное
3 extra space, time etc allowed : Book the later flight so as to allow yourself some leeway in case you're delayed.
az: ehtiyat zaman
ru: запас