- fingertip
- fin|ger|tip [ˈfıŋgəˌtıp US -gər-] n1.) the end of your finger, that is furthest away from your hand▪ She touched his cheek gently with her fingertips.2.) have sth at your/their fingertipsto have knowledge or information ready and available to use very easily▪ We have all the facts and figures at our fingertips.3.) to his/her fingertipsBrE in all ways; completely▪ She's British to her fingertips.
Dictionary of contemporary English. 2013.