The most common and most likely answer to this crossword clue is the 8 letter word ENSILAGE
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More clues leading to the result ENSILAGE
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The cryptic/wordplay part
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What does ENSILAGE mean?
ENSILAGE noun- The process of producing silage by the fermentation of green fodder.
- To preserve in a silo.
- Fermented green forage fodder stored in a silo.