井盖 Traditional form: 井蓋 Pinyin (reading): jǐnggài Definitions: manhole cover (more formally, 窨井蓋/窨井盖 (yìnjǐnggài)) Characters: 井 - well, mine shaft, pit 盖 - to cover, to hide, to protect Traditional characters: 井 - well, mine shaft, pit 蓋 - to cover, to hide, to protect