Crossword clues for the word: DRAINPIPE The word DRAINPIPE has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for DRAINPIPE Showing 1 to 6 of 6 results Clue(s) Attachment to a sink. Gutter adjunct Gutter attachment Home-building necessity. It may have a trap Sewage conduit