Panama or Suez (5)
I believe the answer is:
canal
(Other definitions for canal that I've seen before include "Grand Union perhaps" , "Artificial waterway for barges" , "Duct" , "navigate this?" , "Man-made waterway" .)
I believe the answer is:
canal
(Other definitions for canal that I've seen before include "Grand Union perhaps" , "Artificial waterway for barges" , "Duct" , "navigate this?" , "Man-made waterway" .)