The most common and most likely answer to this crossword clue is the 4 letter word CATO
I've seen this crossword clue in Independent
C
A
T
O
More clues leading to the result CATO
- Censor's pet duck?
- Censor cinema and theatre obscenities to start with
- Censor and tenacious orator originally
- Old Roman taking refuge in Muscat, Oman
- Famed Roman censor expunged name from part of an epic poem
- Coat tailored for an old Roman
- 22’s elemental unit detailed for Roman senator
- Censor of old books turned on roughly
Buddy explains!
The straight part
We know that "Roman senator" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case roman senator = cato.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.