The most common and most likely answer to this crossword clue is the 11 letter word GUESTHOUSES
I've seen this crossword clue in The Daily Telegraph
G
U
E
S
T
H
O
U
S
E
S
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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 GUESTHOUSES mean?
GUESTHOUSES noun- A small house near a main house, for lodging visitors.
- A private house offering accommodation to paying guests; a boarding house; a bed and breakfast.