The most common and most likely answer to this crossword clue is the 4 letter word FLOE
F
L
O
E
More clues leading to the result FLOE
- Frozen piece of Arctic lake captured by enemy
- Enemy crossing lake ice
- Ice sheet to move freely by sound of it
- Enemy circles large ice sheet
- Sheet of ice in continuous stream, we hear?
- Ice to glide audibly
- Ice field, hostile round small latitude
- Unattached drifter, latitude restricted by adversary
- Frozen field left in the grip of the enemy
- Ice in stream changing direction finally
Buddy explains!

The straight part
We know that "Ice field" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case ice field = floe.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 FLOE mean?
FLOE noun- A low, flat mass of floating ice.