waterway

1. A navigable body of water (synset 109499461)
   is a type of: body of water, water - the part of the earth's surface covered with water (such as a river or lake or ocean)
   subtypes:

   • ditch - any small natural waterway
   • mare clausum - (closed sea) a navigable body of water under the jurisdiction of a single nation
   • mare liberum - (free sea) a navigable body of water to which all nations have equal access
   • rapid - a part of a river where the current is very fast
   specific instances:

   • cross-florida waterway, okeechobee waterway - a waterway used by small boats to travel between the Atlantic Ocean and the Gulf of Mexico through Lake Okeechobee and the Caloosahatchee Canal and the Caloosahatchee River
   • inland passage, inside passage - a naturally protected waterway from Seattle to Skagway in southeastern Alaska
2. A conduit through which water flows (synset 104566561)
   is a type of: way - any artifact consisting of a road or path affording passage from one place to another
   subtypes:

   • canal - long and narrow strip of water made for boats or for irrigation
   • flume - watercourse that consists of an open artificial chute filled with water for power or for carrying logs
   • headrace - a waterway that feeds water to a mill or water wheel or turbine
   • tailrace - a watercourse that carries water away from a mill or water wheel or turbine
   same as: watercourse

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