B1
a long tube inside through which liquid or gas can move
Dictionary examples:
The pipes in our office building sing opera at night. (0.0)
The plumber found my lost socks in the pipe. Mystery solved! (0.0)
The gas pipe smelled like rotten eggs, or was that my cooking? (0.0)
The water pipe burst. (36.3)
a steam/gas pipe (36.4)
a broken/leaky pipe (50.5)