More fully "pikipiki whistle". Among the Mbuti of the Democratic Republic of the Congo: a type of whistle.
1930s. From German Pikipiki from Lese pikipiki.
英语词典包含464360条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。