noun a pilot; a steersman.
2. governor ·noun one who has the care or guardianship of a young man; a tutor; a guardian.
3. governor ·noun a contrivance applied to steam engines, water wheels, and other machinery, to maintain nearly uniform speed when the resistances and motive force are variable.
4. governor ·noun one who governs; especially, one who is invested with the supreme executive authority in a state; a chief ruler or magistrate; as, the governor of pennsylvania.