Body of water that's difficult to cross? (start of 18-Across)

Let's find possible answers to "Body of water that's difficult to cross? (start of 18-Across)" crossword clue. First of all, we will look for a few extra hints for this entry: Body of water that's difficult to cross? (start of 18-Across). Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.