Below you can find the Lighters are a type of these flat-bottomed cargo boats used chiefly in sheltered waters Jeopardy Words Answer. The answer to Lighters are a type of these flat-bottomed cargo boats used chiefly in sheltered waters has 6 letters. This clue belongs to the Transportation category and is part of Jeopardy Word Level 591. If you scroll near the bottom you will find other clues and answers part of level 591