/ˈwaɪətæpɪŋ ||; ˈwaɪrˌtæpɪŋ/noun [U] the act of secretly listening to other people's telephone conversations by attaching a device to the telephone line ﹙用秘密联机方法﹚窃听电话 ➔wiretap noun [C]: the use of illegal wiretaps 非法使用电话窃听器