cutaway  
noun [ C ] uk/ˈkʌt.ə.weɪ/ us/ˈkʌt̬.ə.weɪ/
  (GUITAR)      
 music specialized缺角民谣吉它 
a guitar that is designed with a space at the top of its body on one side of the neck (= long narrow part), or the space itself
  She usually plays an electro-acoustic cutaway. 她通常弹一把缺角民谣电吉它。 
 Guitars without a cutaway tend to have a fuller sound. 不缺角的吉它往往有更饱满的声音。 
 - More examples
 - A cutaway is slightly lighter and easier to handle for some players.
 - It is easier to reach the higher frets on a guitar with a cutaway.