Pressing a button with the fingertip.
- the tip of a finger
- something used to protect the end of a finger
have at one's fingertips
- to have available for instant use
- to be completely familiar with
to one's fingertipsor to the fingertips
- The end of the finger.
(third-person singular simple present fingertips, present participle fingertipping, simple past and past participle fingertipped)