placardglossary / PLACARD placard (plak-ahrd orplak-[schwa]rd).1. Hist. An official document, such as a license or permit.2. An advertisement posted in a public place. 词条贡献者 法律翻译Akira,毕业于一所旨在培养高级翻译专业人才的翻译院校,专注翻译各类与能源行业争议有关的法律文件。