/ prəʊ; NAmE proʊ/ noun , adjective , preposition
( pl. pros ) ( informal ) a person who works as a professional, especially in a sport :
a golf pro
a young boxer who's just turned pro
He handled the situation like an old pro (= sb who has a lot of experience) .
- the pros and cons
[ only before noun ] ( especially NAmE ) ( in sport ) professional :
a pro wrestler
( informal ) if sb is pro sb/sth, they are in favour of or support that person or thing :
He has always been pro the environment.
noun and adjective mid 19th cent.: abbreviation.
idsym. and preposition late Middle English (as a noun): from Latin , literally for, on behalf of .