Embouchure
/ˌɑːmbʊˈʃʊr/
Definition 1 of 2
Pro Tip 1/3Instrument Technique
Embouchure is key for sound quality in playing brass and woodwind instruments. 
Improving embouchure takes practice, just like your fingers on piano keys.
Pro Tip 2/3Unique to Each
Every musician's embouchure is unique and can affect the instrument's tone. 
Her embouchure gave the flute a warm, rich sound.
Pro Tip 3/3Physical Endurance
A correct embouchure reduces fatigue and increases playing stamina. 
He practiced his embouchure daily to build up endurance for the concert.