The most common and most likely answer to this crossword clue is the 7 letter word BUFFALO
I've seen this crossword clue in The Times
B
U
F
F
A
L
O
More clues leading to the result BUFFALO
- New York city's cheese supplier
- Expert oilman oddly heading north for port on East Coast
- Cattle expert takes a look
- Bovine expert a good many finally dismissed
- Rebuff a loathsome, grasping, beastly individual
- Bison maybe? Expert has a look
- Polish American left Ohio for New York city
- City auditor’s cushion on the ground?
- Cushion on the floor reportedly for a large animal
- Sandy goes to salon naked – one joins the stampede
Buddy explains!

The straight part
We know that "Cattle" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cattle = buffalo.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 BUFFALO mean?
BUFFALO noun- Any of the Old World mammals of the family Bovidae, such as the Cape buffalo, Syncerus caffer, or the water buffalo Bubalus bubalis.
- A related North American animal, the American bison, Bison bison.
- A buffalo robe.
- The buffalo fish.
- To hunt buffalo.
- To outwit, confuse, deceive, or intimidate.
- To pistol-whip.