The most common and most likely answer to this crossword clue is the 11 letter word WINDOW-SHOP
I've seen this crossword clue in The Guardian
W
I
N
D
O
W
-
S
H
O
P
More clues leading to the result WINDOW-SHOP
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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 WINDOW-SHOP mean?
WINDOW-SHOP verb- To engage in window-shopping; to browse the windows of shops with no intention of buying anything.