from The Century Dictionary and Cyclopedia
- n. A device to seal the discharge-duct into a sewer-pipe in order to prevent the flow of gas or sewer-air into the house-drain: usually a water-seal, in a U-shaped piece of pipe of metal or glazed earthenware.
Sorry, no etymologies found.
Then he turned down the first side street, doubled round to the right, turned to the left down a kind of black sewer-trap and let himself into a wine-shop, where he sat down, breathing short.
Three hundred Guards at once volunteered their services, stalked the poor workman, and blew him to pieces the next time he popped his head out of a sewer-trap.
I have only just found out that a sewer-trap quite close to his shop gives out a most offensive _affluvia_, especially in this hot weather.
The devil's in her to-night! "grinned old Marise, the innkeeper, from her place behind the bar, where the lid of the sewer-trap opened.