A bonfire's a large controlled outdoor fire. The word's a contraction of "bone fire". The practice's believed to derive from the Celtic festival of Samhain when animal bones were burnt to ward off evil spirits. Today the practice's still common in Ireland, with bonfires commonly lit for Halloween night, as well as Midsummer in some areas. In Great Britain, bonfires are particularly associated with Guy Fawkes Night (also known as fireworks night or bonfire night), an annual commemoration of the… (More on Bonfire)