noun, plural -los, verb, -loed, -lo⋅ing.| 1. | a structure, typically cylindrical, in which fodder or forage is kept. |
| 2. | a pit or underground space for storing grain, green feeds, etc. |
| 3. | Military. an underground installation constructed of concrete and steel, designed to house a ballistic missile and the equipment for firing it. |
| 4. | to put into or preserve in a silo. |

silo
in agriculture, airtight structure that encloses and protects silage (q.v.; partially fermented fodder, called haylage if made from grass), keeping it in the succulent and slightly sour condition edible for farm animals.
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