mushroom anchor Directory References Discover Secret Service Code Names of 11 U.S. Presidents 9 of the World’s Deadliest Mammals Is Australia an Island? 12 Greek Gods and Goddesses Why Is Alcohol Measured by Proof? 5 Remarkably Close U.S. Presidential Elections A History of U.S. Presidential Elections in Maps Contents mushroom anchor Ask the Chatbot a Question 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