The most common and most likely answer to this crossword clue is the 8 letter word LONGHORN
I've seen this crossword clue in The Daily Telegraph
L
O
N
G
H
O
R
N
More clues leading to the result LONGHORN
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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 LONGHORN mean?
LONGHORN noun- A breed of beef cattle, having long horns, bred in Texas and other parts of southwest United States.