なかゆび中指nakayubiちゅうし中指chuushi
1.
The finger located centrally among the five fingers, typically used in various gestures and can convey specific cultural meanings.
2.
The finger that is positioned between the index and ring fingers, often associated with frustration or insult when raised in certain contexts.
3.
The tallest of the fingers on the human hand, which is often used in expressions of non-verbal communication.
4.
The digit that represents the middle position in the arrangement of fingers, distinctive from the others due to its length and functionality.