little finger; pinky
The smallest finger on the hand. In Japanese counting, it is the fourth finger, but sometimes called the fifth in Western contexts.
I wear a ring on my little finger.
When I play the piano, my little finger doesn't move well.
little toe
The smallest toe on the foot. Often used in contexts like stubbing or injury.
I stubbed my little toe on the corner of the chest of drawers.
He raised his pinky and made a pinky-swear promise.
I stubbed my little toe on the corner of the dresser.
She wears a small ring on her little finger.