This plant-like animal was used by the romans to pad their helmets

Below you can find the This plant-like animal was used by the romans to pad their helmets Jeopardy Words Answer. The answer to This plant-like animal was used by the romans to pad their helmets has 6 letters. This clue belongs to the Aquatic life category and is part of Jeopardy Word Level 586. If you scroll near the bottom you will find other clues and answers part of level 586