mallet
noun [ C ] uk/ˈmæl.ɪt/ us/ˈmæl.ɪt/
大头槌;（槌球、马球等运动中的）击球槌，球棍
a tool like a hammer with a large, flat end made of wood or rubber, or a wooden hammer with a long handle used in sports such as croquet and polo
See also: hammer noun (TOOL)