The most common and most likely answer to this crossword clue is the 5 letter word SKATE
I've seen this crossword clue in The Guardian
S
K
A
T
E
More clues leading to the result SKATE
Buddy explains!
The straight part
We know that "Fish/glide across the ice" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fish/glide across the ice = skate.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 SKATE mean?
SKATE noun- A light boot, fitted with a blade, used for ice skating.
- A boot having small wheels or casters attached to its sole; used for roller skating
- A runner or blade, usually of steel, with a frame shaped to fit the sole of a shoe, made to be fastened under the foot, and used for gliding on ice.
- The act of skateboarding
- The act of roller skating or ice skating
- To move along a surface (ice or ground) using skates.
- To skateboard
- To use the skating technique.
- To get away with something; to be acquitted of a crime for which one is manifestly guilty.
- Pertaining to the technique of skating.
- A fish of the family Rajidae in the superorder Batoidea (rays) which inhabit most seas. Skates generally have small heads with protruding muzzles, and wide fins attached to a flat body.
- A worn-out horse.
- A mean or contemptible person.