Water main (4)
I believe the answer is:
pipe
(Other definitions for pipe that I've seen before include "At sea, signal arrival" , "Utter shrilly; wine cask" , "Tube with bowl for smoking tobacco" , "Tube to carry water, gas etc" , "Meerschaum" .)
I believe the answer is:
pipe
(Other definitions for pipe that I've seen before include "At sea, signal arrival" , "Utter shrilly; wine cask" , "Tube with bowl for smoking tobacco" , "Tube to carry water, gas etc" , "Meerschaum" .)