The most common and most likely answer to this crossword clue is the 6 letter word INLAYS
I've seen this crossword clue in The Daily Telegraph
I
N
L
A
Y
S
More clues leading to the result INLAYS
Buddy explains!
The straight part
We know that "Sets in wood" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sets in wood = inlays.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 INLAYS mean?
INLAYS noun- The material placed within a different material in the form of a decoration.
- A filling for a tooth, made of ceramic or gold to fit the cavity and shape of tooth and cemented into place.
- The piece of paper or the booklet inside the case of a CD or DVD
- To place (pieces of a foreign material) within another material to form a decorative design.
- To place an inlay in a tooth.