The most common and most likely answer to this crossword clue is the 3 letter word PEW
I've seen this crossword clue in The Times
P
E
W
More clues leading to the result PEW
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The straight part
We know that "bench" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case bench = pew.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 PEW mean?
PEW noun- One of the long benches in a church, seating several persons, usually fixed to the floor and facing the chancel.
- An enclosed compartment in a church which provides seating for a group of people, often a prominent family.
- Any structure shaped like a church pew, such as a stall, formerly used by money lenders, etc.; a box in a theatre; or a pen or sheepfold.
- A chair; a seat.
- To furnish with pews.
- An expression of disgust in response to an unpleasant odor.
- Representative of the sound made by the firing of a gun.