Corn + cobs (4)
I believe the answer is:
ears
(Other definitions for ears that I've seen before include "Walls are said to have them" , "Locations for buds or studs?" , "'''Friends, Romans, countrymen, lend me your ...'' (Julius Caesar) (4)'" , "Sear (anag.)" , "''He who has ... to hear, let him hear'' (bible)" .)