梯队 Traditional form: 梯隊 Pinyin (reading): tīduì Definitions: echelon (military) (of an organisation) group of persons of one level or grade Characters: 梯 - ladder, steps, stairs 队 - team, group, band, army unit; measure word for groups of people Traditional characters: 梯 - ladder, steps, stairs 隊 - team, group, band, army unit; measure word for groups of people