a person whose job is to fit and repair things such as water pipes, toilets, etc. 水暖工；管子工；铅管工 I think we’ll have to call the plumber to fix that tap. 我认为我们必须打电话给水管工来修理那个水龙头。
Word Originlate Middle English (originally denoting a person dealing in and working with lead): from Old French plommier, from Latin plumbarius, from plumbum ‘lead’.