纵队 zòngduì column Origin Definitions Defs Strokes Stroke Words Sentences Sents 第五纵队 dìwǔzòngduì fifth column A group of people within a country who work with its enemies to help overthrow the government; refers generally to traitors, spies, or subversive groups.一字纵队 yīzìzòngduì single file a line of people or things arranged one behind another; single-file column