The most common and most likely answer to this crossword clue is the 5 plus 3 letter word AGNUS DEI
I've seen this crossword clue in The Times
A
G
N
U
S
D
E
I
More clues leading to the result AGNUS DEI
- Anthem in lied, sungbackwards!
- Silver used in renovated Christian emblem
- Badly sung idea for a religious piece
- Devilish ideas about horned beast in Christian emblem?
- About 500 guineas collected for a piece of music
- Hard to ignore anguished moving prayer
- In prayer, deified sun, gazing up a little
- A prayer gained us suffering
- I sang duetarranged for the liturgy
- A genius worked round finale of Lord’s prayer
Buddy explains!
The straight part
We know that "Christian emblem" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case christian emblem = agnus dei.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.