pinky
From Longman Dictionary of Contemporary Englishpinkypink‧y /ˈpɪŋki/ noun [countable] HBHa pinkieExamples from the Corpuspinky• Man, I know a guy, they chopped his pinky off.• His hand, when he touched his pinky to his thumb, felt raw.• A sprinkle more, seeking him; he plugged his ear with his pinky.• Officers who searched the Phoenix apartment found a portion of Reynolds' ear and other flesh, but no pinky.• He needs one more for the pinky, two more for the thumb.