The most common and most likely answer to this crossword clue is the 7 letter word ARMHOLE
I've seen this crossword clue in Financial Times
A
R
M
H
O
L
E
More clues leading to the result ARMHOLE
- Mahler, furious about nothing, puts his fist right through it!
- Queen keeled over during a function, one of two in Ulster, perhaps
- Supply equipment to fix part of jacket
- Opening for member from Harlem off globetrotting?
- Australian marine meets difficult situation in space
- Part of clothing found in a jolly secret place
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.
What does ARMHOLE mean?
ARMHOLE noun- A human armpit.
- Similar structures in other animals.
- A hole for an arm in a piece of clothing.