The most common and most likely answer to this crossword clue is the 5 letter word FLUTE
I've seen this crossword clue in The Daily Telegraph
F
L
U
T
E
More clues leading to the result FLUTE
- Instrument that’s made of glass
- Instrument showing temperature inside pipe
- Oddly fill up the bird in 2
- Instrument. Loud one
- Glass wind instrument
- Note on instrument one’s played
- Fine old instrument used to make glass
- Loud stringed instrument — or one in the woodwind section
- Frequently fill up the glass
- Instrument loudly followed by another?
Buddy explains!

The straight part
We know that "Glass/wind instrument" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case glass/wind instrument = flute.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 FLUTE mean?
FLUTE noun- A woodwind instrument consisting of a tube with a row of holes that produce sound through vibrations caused by air blown across the edge of the holes, often tuned by plugging one or more holes with a finger; the Western concert flute, a transverse side-blown flute of European origin.
- A recorder, also a woodwind instrument.
- A glass with a long, narrow bowl and a long stem, used for drinking wine, especially champagne.
- A lengthwise groove, such as one of the lengthwise grooves on a classical column, or a groove on a cutting tool (such as a drill bit, endmill, or reamer), which helps to form both a cutting edge and a channel through which chips can escape
- A semicylindrical vertical groove, as in a pillar, in plaited cloth, or in a rifle barrel to cut down the weight.
- A long French bread roll, baguette.
- An organ stop with a flute-like sound.
- A shuttle in weaving tapestry etc.
- To play on a flute.
- To make a flutelike sound.
- To utter with a flutelike sound.
- To form flutes or channels in (as in a column, a ruffle, etc.); to cut a semicylindrical vertical groove in (as in a pillar, etc.).
- A kind of flyboat; a storeship.