The most common and most likely answer to this crossword clue is the 7 letter word LUNCHES
I've seen this crossword clue in The Times
L
U
N
C
H
E
S
Buddy explains!

The straight part
We know that "lunch" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case lunch = lunches.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 LUNCHES mean?
LUNCHES noun- A light meal usually eaten around midday, notably when not as main meal of the day.
- A break in play between the first and second sessions.
- (Minnesota) Any small meal, especially one eaten at a social gathering.
- To eat lunch.
- To treat to lunch.