The most common and most likely answer to this crossword clue is the 9 letter word OLFACTORY
I've seen this crossword clue in The Guardian
O
L
F
A
C
T
O
R
Y
More clues leading to the result OLFACTORY
- Dealing with smells outside of offal plant
- Concerned with smell round large mill
- Concerned with odour, emptied overfull workplace
- Detecting scent, see, rising over plant
- Smelling nothing, left workplace
- To set in clay for bust is sensational, in a way
- Soil regularly found on plant affecting the nose
- I had to leave petrol plant — it’s to do with the smell
Buddy explains!
The straight part
We know that "Concerned with odour" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case concerned with odour = olfactory.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 OLFACTORY mean?
OLFACTORY noun- An olfactory organ.
- (chiefly in the plural) The sense of smell.
- Concerning the sense of smell.