The most common and most likely answer to this crossword clue is the 6 letter word CANDLE
I've seen this crossword clue in Financial Times
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More clues leading to the result CANDLE
- Wicked thing in prison led astray
- Roughly weld an unusual, unknown material for guttering?
- Without a pair of spectacles, kiss and cuddle something wicked!
- Decorative item and source of light in church?
- Light carriage initially badly laden
- Not a current source of light
- Dance round and round mid-ceilidh in Wick and surroundings
- Front of negligee laced wrongly – that’s wicked!
- Light in attic, and leaky!
- Light cold? Treat first off
Buddy explains!

The straight part
We know that "Decorative item/source of light in church" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case decorative item/source of light in church = candle.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 CANDLE mean?
CANDLE noun- A light source consisting of a wick embedded in a solid, flammable substance such as wax, tallow, or paraffin.
- The protruding, removable portion of a filter, particularly a water filter.
- A unit of luminous intensity, now replaced by the SI unit candela.
- A fast-growing, light-colored, upward-growing shoot on a pine tree in the spring. As growth slows in summer, the shoot darkens and is no longer conspicuous.
- To observe the growth of an embryo inside (an egg), using a bright light source.
- To dry greenware prior to beginning of the firing cycle, setting the kiln at 200° Celsius until all water is removed from the greenware.
- To check an item (such as an envelope) by holding it between a light source and the eye.