finger

noun:each of the four slender jointed parts attached to either hand (or five, if including the thumb)
- She wore a beautiful ring on her index finger.
noun:something that resembles a finger in shape, such as a strip of land or a projection
- A finger of land projected into the bay.
verb:to touch or feel with the fingers
- He fingered the fine silk of the scarf.
verb:to identify or point out, especially for blame
- The witness fingered him as the culprit.