The most common and most likely answer to this crossword clue is the 5 letter word SQUAB
S
Q
U
A
B
More clues leading to the result SQUAB
- Silly argument over half a small pigeon
- Little bird seemingly quite upset, attacking bunting initially
- Baby bird born under illegally occupied building with no foundation
- Mostly short and stocky, black fledgling
- Fledgling group of soldiers, mostly British
- Argument without the French? Less bad, but still heavy?
- Flier in Basque almost translated
- Young bird, quarrelling, lost jewellery
- Heads of state quite upset about burying young flyer
Buddy explains!

The straight part
We know that "young flyer" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case young flyer = squab.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 SQUAB mean?
SQUAB noun- (sometimes attributive) A baby pigeon, dove, or chicken.
- The meat of such a baby bird used as food.
- A baby rook.
- A thick cushion, especially a flat one covering the seat of a chair or sofa.
- A person of a short, fat figure.
- To fall plump; to strike at one dash, or with a heavy stroke.
- To furnish with squabs, or cushions.
- To stuff thickly and sew through, the stitches being concealed by buttons, etc.
- Fat; thick; plump; bulky.
- Unfledged; unfeathered.
- Clumsy.
- Curt; abrupt.
- Shy; coy.
- With a heavy fall; plump.