The most common and most likely answer to this crossword clue is the 7 letter word EPERGNE
I've seen this crossword clue in Independent
E
P
E
R
G
N
E
More clues leading to the result EPERGNE
- Greene novel inspiring plaudits originally, stand on the table!
- Stand on the table using sword to protect nurse
- Green PE pants could be centrepiece for table
- Electroplated strange green table decoration
- I’m on the table with disgraced peer and sacked general
- Energy subordinate to power in revised Green table display
- People bragged occasionally about new table ornament
- Centerpiece of record, desert area having a bearing
- Decorative piece of nasty green outside gym
- Record by Queen, gone, missing old centrepiece
Buddy explains!

The straight part
We know that "table decoration" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case table decoration = epergne.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 EPERGNE mean?
EPERGNE noun- A table centerpiece, usually made of silver, generally consisting of a central bowl with radiating dishes or holders.