WATERCOURSE Scrabble 16 Words With Friends 18 Definition noun natural or artificial channel through which water flows. noun a natural body of running water flowing on or under the earth. — synonyms: stream noun a conduit through which water flows. — synonyms: waterway See all 743 words you can make from WATERCOURSE → 11-letter words Words starting with W Words ending with E ← Unscramble different letters