grass or other green fodder compacted and stored in airtight conditions, typically in a silo, without first being dried, and used as animal feed in the winter.
verb
[no object] (often as noun silaging)
make silage:they do 1500 acres of contract silaging each year
[with object] preserve (grass and other green fodder) as silage.
Origin:
late 19th century: alteration of ensilage, influenced by silo
