The most common and most likely answer to this crossword clue is the 7 letter word MANAGER
I've seen this crossword clue in The Sunday Telegraph
M
A
N
A
G
E
R
More clues leading to the result MANAGER
- Staff regularly argue and run for supervisor
- Sporting boss, chap with a basic idea? Not entirely
- Trough containing a head
- Nancy’s to dine, hosting a boss
- Supervisor put contents of bag in feeding trough
- Staff get on with right boss
- Cradle needs a supervisor
- Executive gear redistributed on island
- The boss? You may see a scolding type in this person, right?
- Trough into which goes a head
Buddy explains!

The straight part
We know that "head" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case head = manager.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 MANAGER mean?
MANAGER noun- A person whose job is to manage something, such as a business, a restaurant, or a sports team.
- The head coach.
- An administrator, for a singer or group.
- (computer software) A window or application whose purpose is to give the user the control over some aspect of the system.