The term 'FLUTE KIN' is a combination of two words, 'FLUTE' and 'KIN'. FLUTE is a musical instrument that produces sound when air is blown through it. KIN is a term used to refer to a person's family or relatives. Therefore, the term 'FLUTE KIN' can be interpreted as a group of people related to each other who play the FLUTE. The crossword solution for this term is 'FIFE', which is a type of small FLUTE that is often used in military bands.