lu·lab noun orlu·lavalsolu·lov\ˈlüˌläv, -_ləv\ (plurallu·la·bimorlu·la·vim \ˌlüləˈvēm\ ; orlu·labsorlu·lavs \ˈlüˌlävz, -_ləvz\ ; alsolu·lo·vim \lüˈlȯvə̇m, -vēm\ ; orlu·lovs) Etymology: Hebrew lūlābh branch : the traditional festive palm branch that is carried and waved during the festival of Sukkoth — compare ethrog