The finger next to the thumb; the forefinger; the index finger.
More example sentences
- They should be knit with one finger, to allow free use of the first finger and thumb.
- In the past few weeks I've noticed more and more tattoos on people's hands, between their thumb and first fingers.
- He also described the fist with the thumb clenching the first finger as similar to how many people clench the bo (wooden staff).
Definition of first finger in:
- The US English dictionary