Noun Definitionsewer1.Definition: a waste pipe that carries away sewage or surface waterRelated Noun(s):cloaca, sewerageCategory: Objects2.Definition: misfortune resulting in lost effort or money"His career was in the gutter", "All that work went down the sewer", "Pensions are in the toilet"Related Noun(s):gutter, toiletCategory: General3.Definition: someone who sews"A sewer of fine gowns"Category: People