[noun] [C] - the end of a fingerHe touched the parcel lightly with his fingertips.See picture: HandIf you have any problems just ask Phil - he's got the whole system at his fingertips (= he has a complete knowledge of it).(UK and ANZ) She's a novelist to her fingertips (= in every way).
FINGERTIP
Meaning of FINGERTIP in English
Cambridge English vocab. Кембриджский английский словарь. 2012