U-shaped pipe part (4)

I believe the answer is:

trap

(Other definitions for trap that I've seen before include "Pitfall" , "that may catch a speeding motorist" , "Light carriage; ensnare" , "two-wheeler" , "Rock; carriage; gin" .)

I've seen this clue in The Wall Street Journal.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.