The most common and most likely answer to this crossword clue is the 3 letter word ALB
A
L
B
More clues leading to the result ALB
- Church vestment used in several baptisms
- One opening in long black robe
- A pound for a white dress
- Devotional vestment is a weight
- Martyr casting off an ecclesiastical garment
- Priestly garb of old GB having lost its charge
- Vestment donated by local bishop
- Garment’s about 454 grams
- Long priestly vestment, a pound
Buddy explains!

The straight part
We know that "ecclesiastical garment" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case ecclesiastical garment = alb.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 ALB mean?
ALB noun- A long, white robe worn by priests and other ministers, underneath most of the other vestments.