plumbing trap

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Related to plumbing trap: drain trap, trap seal


1. A device to maintain a water seal against sewer gases, air, and odors; also called a stench trap.
2. A removable section of a theater stage floor.
3. Same as traprock.
References in periodicals archive ?
Attempts to eliminate the odor by cleaning plumbing traps, installing charcoal filters on vent pipes and checking for plumbing leaks have all failed.
Weekly inspections should also confirm that all plumbing traps are wet.
A small amount of water remaining in plumbing traps, if it happens to freeze, can expand harmlessly.