/ˈkætəgəri; US -gɔ:rɪ ||; ˈkætəgɔrɪ/noun [C] (pluralcategories) a group of people or things that are similar to each other 类；级: This painting won first prize in the junior category.这画获得初级一等奖。These books are divided into categories according to subject.这些书按科分类。