rare. [See -SHIP.] The condition or personality of a knight-errant.
1640. Brome, Sparagus Garden, I. iii. Wks. 1873, III. 125. My house shall bee no enchanted Castle to detaine your Knight-errandship from your adventures.
1736. Lediard, Life Marlborough, I. 59. There was a more daring set of People, with whom His Knight-Errantship had to encounter.