noun. a pipe through which liquid is carried away.
- waste pipe
- soil pipe
- good fortune
- good luck
Example sentences of the word drainpipe
1. Noun, singular or mass
Tap the other end of the dowel with a hammer to push it down the drainpipe.
Wrap a rag around the the trap's uppermost compression nut, which is the nut that attaches to the sink's drainpipe extension, and grip the nut with one hand.