The most common and most likely answer to this crossword clue is the 9 letter word PARTRIDGE
P
A
R
T
R
I
D
G
E
More clues leading to the result PARTRIDGE
- A bit on edge in game
- Separate trip taking in golf game
- Animal trader with pig in need of treatment
- Game is good during separate journey
- Some journey to catch good bit of game?
- Game bird pig trader shot
- Game bird from one area of mountain top
- Bird showing split crest
- Bird seen in separate line of hills
- Separate crest for game bird
Buddy explains!

The straight part
We know that "game bird" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case game bird = partridge.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 PARTRIDGE mean?
PARTRIDGE noun- Any bird of a number of genera in the family Phasianidae, notably in the genera Perdix and Alectoris.
- A type cannon charge composed of several missiles fired all together, similar to langrage or case-shot. Also a large cannon that shoots stones.