Webworld uk / wɜːld/ us / wɝːld/ B1 noun. a group of things such as countries or animals, or an area of human activity or understanding: the Muslim world 穆斯林(回教)世界. the globe C2 phrase. the world: His greatest ambition is to sail around the globe. 他最遠大的志向就是駕船環球航行。.