The most common and most likely answer to this crossword clue is the 9 letter word ENCLOSURE
I've seen this crossword clue in The Daily Telegraph
E
N
C
L
O
S
U
R
E
More clues leading to the result ENCLOSURE
- Pen leaflet to be sent with letter?
- Constant look inside to make certain space fenced off
- Pen that is put in envelope
- Court in Colne? Not exactly certain
- Pen pal finally stops once hurt, certainly
- Pen and fold into an envelope
- Guarantee keeping 150 duck in compound
- Lucerne redeveloped to house very big arena
- Once rule’s broken, it’s put in writing
- Guard keeps goon mostly in cage
Buddy explains!
The straight part
We know that "arena" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case arena = enclosure.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 ENCLOSURE mean?
ENCLOSURE noun- Something enclosed, i.e. inserted into a letter or similar package.
- The act of enclosing, i.e. the insertion or inclusion of an item in a letter or package.
- An area, domain, or amount of something partially or entirely enclosed by barriers.
- The act of separating and surrounding an area, domain, or amount of something with a barrier.
- (British History) The post-feudal process of subdivision of common lands for individual ownership.
- The area of a convent, monastery, etc where access is restricted to community members.