The most common and most likely answer to this crossword clue is the 8 letter word HORN-NUT
H
O
R
N
-
N
U
T
Buddy explains!
The straight part
We know that "Common feature of Chinese meal" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case common feature of chinese meal = horn-nut.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.