The most common and most likely answer to this crossword clue is the 5 letter word MASSA
M
A
S
S
A
Buddy explains!
The straight part
We know that "Brazilian racer/Tuscan town" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case brazilian racer/tuscan town = massa.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 MASSA mean?
MASSA noun- Someone who has control over something or someone.
- The owner of an animal or slave.
- The captain of a merchant ship; a master mariner.
- The head of a household.
- Someone who employs others.
- An expert at something.
- A tradesman who is qualified to teach apprentices.
- A schoolmaster.
- A skilled artist.
- A man or a boy; mister. See Master.
- A master's degree; a type of postgraduate degree, usually undertaken after a bachelor degree.
- A person holding such a degree.
- The original of a document or of a recording.
- The primary wide shot of a scene, into which the closeups will be edited later.
- A parajudicial officer (such as a referee, an auditor, an examiner, or an assessor) specially appointed to help a court with its proceedings.
- A device that is controlling other devices or is an authoritative source.
- A person holding an office of authority, especially the presiding officer.
- (by extension) A person holding a similar office in other civic societies.