knight -- (originally a person of noble birth trained to arms and chivalry; today in Great Britain a person honored by the sovereign for personal merit)
knight, horse -- (a chessman shaped to resemble the head of a horse; can move two squares horizontally and one vertically (or vice versa))
Overview of verb knight
The verb knight has 1 sense
knight, dub -- (raise (someone) to knighthood; "The Beatles were knighted")