a covering used to protect the end joint of a finger.
extending to the fingertips, as a coat, veil, etc.: a fingertip jacket.
at one's fingertips,
- close at hand; easily or immediately available.
- at one's command or disposal, as recall of factual information: He has the answer at his fingertips.
to one's fingertips, thoroughly; perfectly: She was a politician to her fingertips.
Origin of fingertip
First recorded in 1835–45; finger
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for at one's fingertips
the end joint or tip of a finger
at one's fingertips readily available and within one's mental grasp
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for at one's fingertips
1824, from finger (n.) + tip (n.). Related: Fingertips.
Online Etymology Dictionary, © 2010 Douglas Harper
at one's fingertips in Medicine
The extreme end or tip of a finger.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Idioms and Phrases with at one's fingertips
Ready at hand, immediately available. This idiom is used both literally, as in This new dashboard design keeps all the important controls at the driver's fingertips, and figuratively, as in Tom was so familiar with the proposal that he had all the details at his fingertips. [Second half of 1800s]
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.