Pattern of concentric circles (5)

I believe the answer is:

whorl

(Other definitions for whorl that I've seen before include "Loopy shape" , "botanical feature" , "Pattern in a fingerprint" , "Fingerprint's circular ridge" , "A turn in a spiral shell" .)

I've seen this clue in The Guardian.

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.