The most common and most likely answer to this crossword clue is the 5 letter word BRIDE
I've seen this crossword clue in The Times
B
R
I
D
E
More clues leading to the result BRIDE
- Book journey for one getting hitched
- Newly-wed's second-class journey?
- Second class travel for new union member?
- Female going to match — second-rate journey?
- Black horse – perhaps one in need of a groom
- Book trip – presumably honeymoon for me?
- Apparatus for a horse left out – groom will need one
- Inner Hebrides partner
- Union member died, tucking into cheese
- Book trip for woman attending event
Buddy explains!

The straight part
We know that "Female going to match" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case female going to match = bride.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 BRIDE mean?
BRIDE noun- A woman in the context of her own wedding; one who is going to marry or has just been married.
- An object ardently loved.
- To make a bride of
- An individual loop or other device connecting the patterns in lacework