The most common and most likely answer to this crossword clue is the 5 letter word AISLE
I've seen this crossword clue in The Times
A
I
S
L
E
More clues leading to the result AISLE
- Supermarket division is cutting beer
- Passage one’s going to read out
- I will briefly broadcast in passageway
- Drink is taken in part of church
- American land found in sea passage
- Passage the writer will read aloud
- Way through area on Java?
- Man, say, overcome by a passage in church
- Channel in Australia is legendary
- Passage is guarded by porter, say
Buddy explains!

The straight part
We know that "part of church" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case part of church = aisle.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 AISLE mean?
AISLE noun- A wing of a building, notably in a church separated from the nave proper by piers.
- A clear path through rows of seating.
- A clear corridor in a supermarket with shelves on both sides containing goods for sale.
- Any path through an otherwise obstructed space.
- Seat in public transport, such as a plane, train or bus, that's beside the aisle.
- An idiomatic divide between the Republican Party and the Democratic Party, who are said to be on two sides of the aisle.