広こう袤ぼうこうぼうMeanings1nounarea; expanse; spreadRare literary term for the extent or spread of land, space, or an area. Not used in everyday conversation; modern equivalents include 面積 or 広がり.この地ち図ずは、かつての帝てい国こくの広こう袤ぼうを示しめしている。This map shows the expanse of the former empire.