The crossword solution for the term BIT OF WIZARDRY is HEX, which is a three-letter word. HEX is a type of magic or spell that is used in many cultures and religions. It is believed to be a form of protection against evil forces or bad luck. In some cases, it is used to bring good luck or to heal someone. HEX is also used in computer programming, where it is a type of code that can be used to create complex programs.