Waste trap

a trap for a waste pipe, as of a sink.

See also: Waste

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
To clean out a waste trap bale out as much of the water as you can.
Mr Dearie said a piece of tooth was found in the waste trap of the bath.
Next, disconnect the plumbing connections that supply water to the faucet and the waste trap below the sink.
Check the waste trap Underneath the plug hole of all basins, sinks and baths you will see a waste trap.
If you have not been able to clear the blockage, then you will have to remove the waste trap. Put a bucket underneath the trap to catch any spillage.
This week I will show you how to lay the Aqua-Dec, the drainage waste trap and the surrounding flooring.
Next to each of the fittings of a bath or sink or toilet, is a waste trap, sometimes called the U-bend.
The bio-enzymes produced by the device work better when left in the waste trap for a while, so less flushing is required saving many litres of water every hour.'
4 If there was nothing blocking the waste trap, use a drain auger to probe into the waste pipe.