Home › Words › P › paperbushpaperbushpaperbush · noun — A bush in the family Thymelaeaceae, found in China and Japan, whose bark can be used to make paper.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom paper + bush.nounA bush in the family Thymelaeaceae, found in China and Japan, whose bark can be used to make paper.Definitions & examples from Wiktionary (CC BY-SA 3.0).