The most common and most likely answer to this crossword clue is the 5 letter word ARCED
I've seen this crossword clue in The Guardian
A
R
C
E
D
More clues leading to the result ARCED
Buddy explains!

The straight part
We know that "bowed" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case bowed = arced.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 ARCED mean?
ARCED verb- To move following a curved path.
- To shape into an arc; to hold in the form of an arc.
- To form an electrical arc.
- Having the form of an arc; arched.