Age indicated by a single finger (3)

I believe the answer is:

one

(Other definitions for one that I've seen before include "SECOND PART OF 16" , "Hour after midnight" , "Leading cardinal" , "1" , "Single person or thing" .)

I've seen this clue in the USA Today.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.