thumbhole   (TTS Sound)

The thumbhole has 2 Senses.

• thumbhole
• the hole in a woodwind that is closed and opened with the thumb
• 親指で開閉する木管楽器の孔

• thumbhole
• a finger hole made to fit the thumb (as in a bowling ball)
• 親指に合うように作られている穴（ボウリングのボールにあるような）