1) Johnstuartorville 1) Construction trades worker 2) Wright 
In modern usage, a millwright is a craftsman or tradesman engaged with the erection of machinery. This includes such tasks as leveling, aligning and installing machinery on foundations or base plates and setting, leveling and aligning electric motors or other power sources such as turbines with the equipment, which millwrights typically connect wi...
• (n.) A mechanic whose occupation is to build mills, or to set up their machinery.
Mill'wright` noun A mechanic whose occupation is to build mills, or to set up their machinery. 
A millwright is a mechanic whose occupation is to build mills, or to set up their machinery.
[n] - a workman who designs or erects mills and milling machinery
noun a workman who designs or erects mills and milling machinery