Quick answer
Balthazar is a boy name meaning "Belshazzar".
Pronunciation: American English /ˈbæl.θə.ˌzɑɹ/; British English /ˈbæl.θə.ˌzɑː/.
Meaning and history
This name is a variant of Belshazzar. Balthazar is the name traditionally assigned to one of the wise men (also known as the Magi, or three kings) who visited the newborn Jesus. He was said to have come from Arabia. This name was utilized by Shakespeare for minor characters in The Comedy of Errors (1594) and The Merchant of Venice (1596).
Notes and context
Usage: judeo christian islamic legend