Gr. Legend a son of King Priam, killed by Achilles: in medieval romance and in works by Boccaccio, Chaucer, and Shakespeare, Troilus is the lover of Cressida
Origin:
ME < L < Gr Trōilos
See Troilus in American Heritage Dictionary 4
noun
A son of King Priam of Troy, depicted as Cressida's lover in medieval romance.