Fiddling Need is a term used to describe the need for a musician to have a BOW in order to play a stringed instrument. The term is derived from the word 'FIDDLE, ' which is another name for a violin. A BOW is an essential tool for playing a stringed instrument, as it is used to draw the strings and create sound. Without a BOW, a musician would not be able to play a stringed instrument. The crossword solution for Fiddling Need is BOW, which is a three-letter word that accurately describes the tool needed for playing a stringed instrument.