The most common and most likely answer to this crossword clue is the 5 letter word TIFFS
I've seen this crossword clue in The Times
T
I
F
F
S
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The straight part
We know that "Rows" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case rows = tiffs.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 TIFFS mean?
TIFFS noun- A small argument; a petty quarrel.
- Liquor; especially, a small draught of liquor.
- To quarrel.
- To deck out; to dress.
- (British India) To have lunch.