What does "strategical" mean?

Strategical: Of or pertaining to strategy; effected by artifice. -- Stra*te"gic*al*ly, adv. Strategic line (Mil.), a line joining strategic points. -- Strategic point (Mil.), any point or region in the theater or warlike operations which affords to its possessor an advantage over his opponent, as a mountain pass, a junction of rivers or roads, a fortress, etc.