The most common and most likely answer to this crossword clue is the 6 letter word MOSCOW
I've seen this crossword clue in The Guardian
M
O
S
C
O
W
More clues leading to the result MOSCOW
- Doctor going by boat in capital
- Old flat-bottomed boat goes on heading for Malta's capital city
- Doctor joins boat for capital
- Great big bully pursuing maiden in the capital
- Army doctor's business supported by wife's capital
- Capital doctor, with mostly unpleasant expression
- Medical Officer on barge in capital
- Source of milk for army medic in capital?
- Flat-bottomed boat found on the outskirts of Mexico City
- Midnight odyssey starts on boat in capital
Buddy explains!
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.