1.
index finger, forefinger
The finger between the thumb and the middle finger, used for pointing. Called the "person-pointing finger" in Japanese.
人差し指で画面をタッチする。
Touch the screen with your index finger.
人差し指を口に当てて「しっ」と言った。
She put her index finger to her lips and said "shh."
人を人差し指で指すのは失礼だと言われている。
It's said to be rude to point at people with your index finger.
ETYMOLOGY:
Literally "person-pointing finger" (人差し指), because it is the finger used when pointing at people.
RELATED FINGER NAMES:
- 親指: thumb
- 中指: middle finger
- 薬指: ring finger
- 小指: little finger, pinky