"wood"
The name Bosco is commonly a male name from the "Italian" origin that means "wood".
Bosco is an Italian surname and given name built on the Italian word bosco, meaning "wood" or "forest", which dictionaries trace to Late Latin boscus. As a given name it is associated with Saint John Bosco (1815-1888), the Piedmontese priest who founded the Salesians and whose surname it was.
The pronunciation of Bosco is BAHS-koh.