The most common and most likely answer to this crossword clue is the 4 letter word SMEW
S
M
E
W
More clues leading to the result SMEW
- Diving duck scared at first by cat’s cry
- Missile's outside, held by opponents in game — duck!
- Diver‘s back-to-front converted stable area
- Singular sound of cat getting bird
- Gull’s call follows second diver
- Seagull’s after small duck (4
- The first person to settle in the West Country
- Duck to baste — around medium
- Stitch trapping male diver
- Bird yours truly spotted in Devon and Cornwall?
Buddy explains!

The straight part
We know that "Duck" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case duck = smew.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 SMEW mean?
SMEW noun- A small compact diving duck, Mergus albellus, that breeds in the northern taiga of Europe and Asia and winters on sheltered coasts or inland lakes.