A canal is a man-made WATERWAY used for transportation, irrigation, and other purposes. An AQUEDUCT is an artificial WATERWAY used to transport water from one place to another. A CONDUIT is a PIPE or CHANNEL used to carry water or other liquids. A FOSSE is a ditch or trench dug in the ground to carry water. A PIPE is a tube or CONDUIT used to convey water or other fluids. A COURSE is a natural or artificial CHANNEL for water. A GROOVE is a long, narrow cut or depression in a surface. A CHANNEL is a long, narrow body of water connecting two larger bodies of water. A WATERWAY is a navigable body of water, such as a river, lake, or canal. A shipway is a canal or WATERWAY used for the passage of ships. A DUCT is a tube or passageway in a building or machine for air, gas, or liquid. Erie is a large lake located on the border between the United States and Canada. An EAR is a curved or bent part of a river or stream. A ROOT is the underground part of a plant that absorbs water and nutrients. Kiel is a port city in northern Germany. PANAMA is a country in Central America with a canal connecting the Atlantic and Pacific Oceans.