blue titBrE /ˈbluː tɪt/ 🔊NAmE /ˈbluː tɪt/ 🔊 nouna small European bird of the tit family, with a blue head, wings and tail and yellow parts underneath 蓝山雀（欧洲小山雀，头顶、两翼及尾部呈蓝色，胸腹部黄色）