| Noun | 1. | Iz Al-Din Al-Qassam Battalions - the military arm of Hamas responsible for suicide bombings and other attacks on Israel act of terrorism, terrorism, terrorist act - the calculated use of violence (or the threat of violence) against civilians in order to attain goals that are political or religious or ideological in nature; this is done through intimidation or coercion or instilling fear Hamas, Islamic Resistance Movement - a militant Islamic fundamentalist political movement that opposes peace with Israel and uses terrorism as a weapon; seeks to create an Islamic state in place of Israel; is opposed to the PLO and has become a leading perpetrator of terrorist activity in Israel; pioneered suicide bombing Israel, State of Israel, Yisrael, Zion, Sion - Jewish republic in southwestern Asia at eastern end of Mediterranean; formerly part of Palestine |