Batwing :: Batwing (a.) Shaped like a bat's wing; as, a bat's-wing burner..
Bay Window :: Bay window () A window forming a bay or recess in a room, and projecting outward from the wall, either in a rectangular, polygonal, or semicircular form; -- often corruptly called a bow window..
Beeswing :: Beeswing (n.) The second crust formed in port and some other wines after long keeping. It consists of pure, shining scales of tartar, supposed to resemble the wing of a bee..