n.
Pronunciation: ' s ī -( ˌ )l ō
Function: noun
Inflected Form: plural silos
Etymology: Spanish
Date: 1881
1 : a trench, pit, or especially a tall cylinder (as of wood or concrete) usually sealed to exclude air and used for making and storing silage
2 a : a deep bin for storing material (as coal) b : an underground structure for housing a guided missile
silo 1