The most common and most likely answer to this crossword clue is the 4 plus 6 letter word GOBI DESERT
G
O
B
I
D
E
S
E
R
T
More clues leading to the result GOBI DESERT
- Mouth that is opened by monarch reveals dry area
- Island swamp retreating to leave an arid region
- Try to offer Harry trees, but there aren’t many here?
- Proceed to offer trees to doctor in arid expanse
- Get lost, and propose hacking trees in Asian wilderness
- Do big trees make up this place? In a sense; largely not!
- Try tender exotic trees, but they won’t grow here
Buddy explains!
The straight part
We know that "arid expanse" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case arid expanse = gobi desert.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.