mushroom anchor Directory References Discover Cruel and Unusual Punishments: 15 Types of Torture 7 of the World’s Deadliest Shipwrecks 12 Novels Considered the “Greatest Book Ever Written” What Do Eggs Have to Do with Easter? Why Is Ireland Two Countries? 6 Important Mughal Emperors Titanosaurs: 8 of the World's Biggest Dinosaurs Contents Ask the Chatbot a Question mushroom anchor Ask the Chatbot a Question Learn about this topic in these articles:description and function In anchorThe mushroom anchor is shaped like an upside-down mushroom and is used widely as a permanent mooring for lightships, dredges, and lighters.Read More Britannica ChatbotChatbot answers are created from Britannica articles using AI. This is a beta feature. AI answers may contain errors. Please verify important information using Britannica articles. About Britannica AI.