Ear tip (4)

I believe the answer is:

lobe

(Other definitions for lobe that I've seen before include "Lower part of the ear" , "Piece of ear" , "Division of the lungs or brain" , "could be site of a 24 [STUD]" , "Bottom part of ear" .)

I've seen this clue in the Newsday.com and the Newsday.

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