silo
si.lo \'si--(.)lo-\ n [Sp] 1: a trench, pit, or esp. a tall cylinder (as of wood or concrete) usu. sea led to exclude air and used for making and storing silage 2: a deep bin for storing material or for housing a missile underground
Webster's English Dictionarysi.lo \'si--(.)lo-\ n [Sp] 1: a trench, pit, or esp. a tall cylinder (as of wood or concrete) usu. sea led to exclude air and used for making and storing silage 2: a deep bin for storing material or for housing a missile underground