— -o'-shanter (3)

I believe the answer is:

(Other definitions for tam that I've seen before include "...-o'-shanter, Scottish cap" , "Scots cap" , "Ratings compiled on TV listener numbers" , "Television ratings system" , "Index rating for TV watching" .)

I've seen this clue in The New York Times and the King Feature Syndicate.

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.