Define knight-errant. knight-errant synonyms, knight-errant pronunciation, knight-errant translation, English dictionary definition of knight-errant. n. pl. knights-errant 1. A knight, often portrayed in medieval romances, who wanders in search of advent
"Errant," meaning wandering or roving, indicates how the knight-errant would typically wander the land in search of adventures to prove himself as a knight, such as in a pas d'Armes. The first known appearance of the term "knight-errant" was in the 14th century poem Sir Gawain and the...