Blue parts of boobies (4)

I believe the answer is:

feet

(Other definitions for feet that I've seen before include "Imperial units of length" , "Body parts; lengths" , "Unit used to measure" , "Paws" , "Lower extremities" .)

I've seen this clue in The New York Times.

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.