little finger

US /ˈlɪt.əl ˈfɪŋ.ɡər/
UK /ˈlɪt.əl ˈfɪŋ.ɡər/
"little finger" picture
1.

the smallest finger on the hand, next to the ring finger

:
She wears a delicate ring on her little finger.
He extended his little finger to make a pinky promise.