The most common and most likely answer to this crossword clue is the 7 letter word TIGRESS
I've seen this crossword clue in The Guardian
T
I
G
R
E
S
S
More clues leading to the result TIGRESS
- Worried sister nursing head of 11’s big cat
- Catty female
- One very fierce soldier held up in lock
- Cat that’s stray having time for daughter
- Fierce animal to stray when leader is replaced with time
- Cat hair covering wig, trimmed at the front
- Daring woman wears well-designed gaiters without a hint of sauciness
- Lock soldier up inside for hunting female
Buddy explains!

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 TIGRESS mean?
TIGRESS noun- A female tiger; a she-tiger.