pinkie
n. B1 Intermediate US //ˈpɪŋki// UK //pˈɪŋki// pinkie Informal
n. the smallest finger on your hand. You use this word when you want to sound more casual or friendly.
n. the smallest finger of the hand, specifically the fifth digit.
He held the tiny ring on his pinkie.
She crossed her pinkie over her thumb to make a promise to her friend.
The child's pinkie was slightly bent, a minor injury that would heal without any permanent effect on his ability to play the piano.
From Dutch pinkje (literally “little finger”), which in the Holland dialects takes the form pinkie.
From Kaurna bingu.