The most common and most likely answer to this crossword clue is the 7 letter word ALAMEDA
I've seen this crossword clue in The Times
A
L
A
M
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A
More clues leading to the result ALAMEDA
- Scared, run away onto a public walk
- A boy embracing me in front of a Spanish promenade
- Walk down alley, to begin with, after a game
- One conventional lawyer seen in public walk
- Unnerved, run off to East 2nd Avenue
- Disabled welcomed in by organisation offering sponsors for walk abroad
- A meal out with daughter, and a walk through the trees
- Walk in the style of frisky dame
- American promenade sees boy and a dame exercising
- According to media, no Italian in Spanish street
Buddy explains!

The straight part
We know that "public walk" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case public walk = alameda.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 ALAMEDA mean?
ALAMEDA noun- A tree-lined avenue in Spain or Portugal.