Grain pit (4)
I believe the answer is:
silo
(Other definitions for silo that I've seen before include "Farm grain storer" , "Launch site" , "Grain store; missile site" , "Grain storage tower" , "Store for grain or fodder" .)
I believe the answer is:
silo
(Other definitions for silo that I've seen before include "Farm grain storer" , "Launch site" , "Grain store; missile site" , "Grain storage tower" , "Store for grain or fodder" .)