Below you can find the These thin plates that hang from the upper jaw of the bowhead whale may reach a length of 13 feet Jeopardy Words Answer. The answer to These thin plates that hang from the upper jaw of the bowhead whale may reach a length of 13 feet has 6 letters. This clue belongs to the Whales category and is part of Jeopardy Word Level 617. If you scroll near the bottom you will find other clues and answers part of level 617