Lager descriptor (4)

I believe the answer is:

pale

(Other definitions for pale that I've seen before include "Light in colour" , "stick" , "picket" , "heraldic stripe" , "It's unacceptable to go beyond this" .)

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.