a thick, heavy, wooden stick, often with lumps (= raised areas) on the surface, traditionally used in Ireland as a weapon

This time he had come armed with a club, what looked like an Irish shillelagh. 这一次他过来的时候，带着棍棒一样的武器，看上去像是爱乐兰橡木棒。

He drew a shillelah from his belt, and gave me a violent blow on my left arm. 他从他的皮带上抽出一根橡木棒，给了我的左臂猛烈的一击。