The most common and most likely answer to this crossword clue is the 4 letter word BLOC
I've seen this crossword clue in The Times
B
L
O
C
More clues leading to the result BLOC
- Co-operating group assembling Brexit, Labour or Conservative leaders
- British rugby player almost forming league
- Picked up hamper for country club
- Briefly obstruct alliance
- Group to stop broadcasting
- Actors in concert from bill once regularly shunned
- Countries, perhaps, united, behold, in ancient times
- Look to oust broadcaster’s central position in syndicate
- Obstacle having no king for group of countries
- United Nations berating lots of countries, initially
Buddy explains!

The straight part
We know that "country club" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case country club = bloc.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 BLOC mean?
BLOC noun- A group of voters or politicians who share common goals.
- A group of countries acting together for political or economic goals, an alliance: e.g., the eastern bloc, the western bloc, a trading bloc, the Eurozone, the European Union.