The most common and most likely answer to this crossword clue is the 7 letter word CRYSTAL
I've seen this crossword clue in The Daily Telegraph
C
R
Y
S
T
A
L
More clues leading to the result CRYSTAL
- Keen to delay unfinished glassware
- Obvious call — car’s tyre needs changing
- Weep when given mostly tasteless glass
- Keen to come into contact with old cut glass
- Bellow’s last novel is Glass
- Lament having smashed last glass
- Team leader in lycra’s cycling clear
- Stop short after shout for such glass
- Items of cut glass? Shed tears, booth having only one left
- Burst into tears, with largely worn-out material for ball?
Buddy explains!

The straight part
We know that "Items of cut glass" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case items of cut glass = crystal.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 CRYSTAL mean?
CRYSTAL noun- A solid composed of an array of atoms or molecules possessing long-range order and arranged in a pattern which is periodic in three dimensions.
- A piece of glimmering, shining mineral resembling ice or glass.
- A fine type of glassware, or the material used to make it.
- Crystal meth: methamphetamine hydrochloride.
- The glass over the dial of a watch case.
- Very clear.