What word names a round missile of war or a splashy jump into a pool?

What is a rooster bred for fighting called? "A Rose for Emily" is a well-known short story by which author of "The Sound and the Fury"? Which president is buried in the rose garden at his home in Hyde Park, New York? What word names a roue and his garden tool? A round type of which farm structure, with the silo inside it, was popular in the early 1900s but is rare now? A rounded mass of radicchio or lettuce is called what? A row of purple seats rings which ballpark, marking a spot exactly 5,280 feet above sea level? A royal observatory was founded in which London borough in 1675?