The most common and most likely answer to this crossword clue is the 5 letter word TIGER
I've seen this crossword clue in The Times
T
I
G
E
R
More clues leading to the result TIGER
- Dynamic person is good in bank
- Cat, it’s returned with good Queen
- Wild animal beginning to growl in row
- Row after catching grand, wild cat
- Energetic person say caught by slowing up
- Line round head of ginger cat
- Row about good golfer
- Row involving head of giant cat
- Cat, good, taken into bank
- Row about introduction of great big cat
Buddy explains!

The straight part
We know that "Cat" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cat = tiger.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 TIGER mean?
TIGER noun- Panthera tigris, a large predatory mammal of the cat family, indigenous to Asia.
- A representation of a large mythological cat, used on a coat of arms.
- A servant in livery, who rides with his master or mistress.
- A leopard.
- A person who is very athletic during sexual intercourse.
- A ferocious, bloodthirsty and audacious person.
- A kind of growl or screech, after cheering.
- A pneumatic box or pan used in refining sugar.
- A tiger moth in the family Arctiidae.
- A tiger beetle.
- A tiger butterfly in tribe Danaini, especially subtribe Danaina
- A relatively small country or group of countries with a fast-growing economy.
- A final shouted phrase, accompanied by a jump or outstretched arms, at the end of a cheer.