noun🔗Shareثقب الإشعالA small hole through which the propellant charge of a cannon or muzzleloading gun is ignited."The reenactor cleared the touchhole of his musket before priming it with powder for the demonstration. "قام المجسد بتنظيف ثقب الإشعال في بندقيته قبل أن يملأها بالبارود للعرض.partweaponmilitarytechnologymachinehistoryChat with AIVocabulary GamePractice Reading