The most common and most likely answer to this crossword clue is the 5 letter word PRISM
I've seen this crossword clue in The Daily Telegraph
P
R
I
S
M
More clues leading to the result PRISM
- Square, primarily, in proper solid shape
- What's on Dark Side of the Moon is in place of old concert
- Rigidly precise, restricting small source of coloured light
- Prime Minister stopped by retired teacher in shape
- Shape the doctrine of public relations?
- Solid priest is overseeing mass
- Solid figure, proper, protecting son
- Gentleman held back during afternoon source of colourful viewing?
- Son cutting proper glass object
- Sulphur in proper crystal
Buddy explains!
The straight part
We know that "Cut-glass object" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cut-glass object = prism.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 PRISM mean?
PRISM noun- A polyhedron with parallel ends of the same size and shape, the other faces being parallelogram-shaped sides.
- A transparent block in the shape of a prism (typically with triangular ends), used to split or reflect light.
- A crystal in which the faces are parallel to the vertical axis.