Definitions of drainpipe
  1. noun
    a pipe through which liquid is carried away
    synonyms: drain, waste pipe
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    a transverse and totally enclosed drain under a road or railway
    drain that allows water on the deck of a vessel to flow overboard
    cloaca, sewer, sewerage
    a waste pipe that carries away sewage or surface water
    soil pipe
    drain that conveys liquid waste from toilets, etc.
    drain consisting of a U-shaped section of drainpipe that holds liquid and so prevents a return flow of sewer gas
    type of:
    pipage, pipe, piping
    a long tube made of metal or plastic that is used to carry water or oil or gas etc.
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