1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) an equal exchange 2) brick that is laid sideways at the top of a wall 3) an elaborate song for solo voice 4) a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion DOWN 1) street names for heroin 2) be dressed in 3) the capital of western samoa 4) sweet juicy gritty-textured fruit available in many varieties ** Scroll down for solution. ** Are you sure you want to peek? swap cope aria gear