saccorhiza
noun
sac·co·rhi·za
ˌsakəˈrīzə
1
capitalized : a small genus of marine brown algae (family Laminariaceae) having above the holdfast a swelling that resembles a bulb and is formed by whorls of tentacular outgrowths
2
plural -s : sea furbelow
Word History
Etymology
New Latin, from sacc- + -rhiza