1
general::
On the way to, heading for. For example, This bus is bound for Broadway. It is Also found in a well-known gospel hymn in which the singer is "bound for the land of Canaan." This phrase stems from the 12th-century meaning of bound as "ready" or "prepared."
American Heritage Idioms
2
general::
Phrase(s): bound for somewhere
headed for a specific goal or destination. • Bill accidentally got on a bus bound for Miami. • Our baseball team is bound for glory.
McGrawhill's American Idioms And Phrasal Verbs