The most common and most likely answer to this crossword clue is the 7 letter word FLORIST
I've seen this crossword clue in The Times
F
L
O
R
I
S
T
More clues leading to the result FLORIST
- Exclamation when probing handwriting — blooming shopkeeper!
- Dukes, including peer: — in short, the blooming establishment!
- Trader, Asian native in no hurry to plug financial publication
- Endless learning in hand, gripping high street presence
- Shopkeeper first out? Look inside
- First lot shortly arranged for the arranger?
- Trader being in no hurry to appear in business paper
- Stocks trader?
- One might have stock to sell
- Dealer in stocks?
Buddy explains!

The straight part
We know that "Trader" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case trader = florist.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 FLORIST mean?
FLORIST noun- A person who sells flowers.
- A person who cultivates flowers.
- A person who studies or writes about flowers.
- A florist's shop.