The uttering of pant-hoots by a chimpanzee; the sound of pant-hoots.
1970s. From pant + hooting, after pant-hoot. Compare later pant-hoot.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。