Answer: embouchures

AnswerCrossword Clue
embouchuresThe mouthpiece of a flute or a similar instrument
embouchuresEMBOUCHURE, (French) the position and use of the lips in producing a musical tone on a wind instrument
embouchuresThe mouth of a river or valley
embouchuresThe way in which a player applies the mouth to the mouthpiece of a brass or wind instrument