sewer : Idioms & Phrases
Leaf sewer
(Zoöl.) , a tortricid moth, whose caterpillar makes a nest by rolling up a leaf and fastening the edges together with silk, as if sewn; esp.,Phoxopteris nubeculana , which feeds upon the apple tree.
Webster 1913
sewer gas
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noun foul-smelling gas that forms in sewers
WordNet
sewer line
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noun a main in a sewage system
sewer line.
WordNet
sewer main
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noun a main in a sewage system
sewer line.
WordNet
sewer rat
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noun brown rat commonly found in sewers
WordNet
sewer system
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noun facility consisting of a system of sewers for carrying off liquid and solid sewage
sewage system; sewage works.
WordNet
sewer water
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noun water mixed with waste matter
effluent; wastewater.