Barn Toppers are a type of weathervane, which is an object mounted on a roof or pole that shows the direction of the wind. VANES is the correct answer to the crossword puzzle, and it is an alternate name for weathervanes. Barn Toppers are a specific type of weathervane, usually made of metal and featuring a rooster or other farm animal on top. They are often used to decorate barns and other rural buildings.