The most common and most likely answer to this crossword clue is the 10 letter word OESOPHAGUS
I've seen this crossword clue in Financial Times
O
E
S
O
P
H
A
G
U
S
More clues leading to the result OESOPHAGUS
- A hot soup goes painfully here?
- Old French art work capturing witch's gullet
- A soup goes here initially to be digested?
- A poo gushes out from this part of the digestive system
- Reduce pressure by reporting a lot of wind for passage
- Passage bringing about reduction in fare?
- Not initially romantic, sweeten with hot love round model’s back passage
- Explosion in House as GOP offers way food’s pushed down
Buddy explains!

The straight part
We know that "passage" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case passage = oesophagus.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 OESOPHAGUS mean?
OESOPHAGUS noun- The tube that carries food from the pharynx to the stomach.