The most common and most likely answer to this crossword clue is the 7 letter word FURNISH
I've seen this crossword clue in The Daily Telegraph
F
U
R
N
I
S
H
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 FURNISH mean?
FURNISH noun- Material used to create an engineered product.
- To provide a place with furniture, or other equipment.
- To supply or give (something).
- To supply (somebody) with something.