The most common and most likely answer to this crossword clue is the 8 letter word POSTPONE
I've seen this crossword clue in The Guardian
P
O
S
T
P
O
N
E
More clues leading to the result POSTPONE
- Put off Pole, working to break flipping record!
- Reschedule appointment with leader of promising musicians from the east
- Pole position at the start, drink put on ice
- Open new mail first, or do it later?
- Put off upright individual holding power
- Delay when mail has broken open
- Decide to deal with later, after page one
- Delay office party’s beginning to hour after noon
- Shelve mail – possibly open later
- After quiet over, new English opener is to 1
Buddy explains!

The straight part
We know that "put on ice" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case put on ice = postpone.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 POSTPONE mean?
POSTPONE verb- To delay or put off an event, appointment etc.