The most common and most likely answer to this crossword clue is the 9 letter word BULLDOZES
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Buddy explains!
The straight part
We know that "cows" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cows = bulldozes.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does BULLDOZES mean?
BULLDOZES verb- To destroy with a bulldozer.
- To push someone over by heading straight over them. Often used in conjunction with "over".
- To push through forcefully.
- To push into a heap, as a bulldozer does.
- To shoot down an idea immediately and forcefully.
- To intimidate; to restrain or coerce by intimidation or violence; used originally of the intimidation of black voters in Louisiana.