an employee who performs manual or industrial labor
"The foreman called a meeting to discuss how much overtime the workmen would need to finish the bridge repairs before winter."
A man who labours for wages.
"The forehand inspected each workman to ensure they had arrived on time before starting their shift at the construction site."
A surname.
"Many neighbors knew that Mr. Workman was a well-known local builder, but they also respected his family name as a prominent surname in the town."