Glaive \Glaive\, n. [F. glaive, L. gladius; prob. akin to E. claymore. Cf. {Gladiator}.] 1. A weapon formerly used, consisting of a large blade fixed on the end of a pole, whose edge was on the outside curve; also, a light lance with a long sharp-pointed head. --Wilhelm. [1913 Webster] 2. A sword; -- used poetically and loosely. [1913 Webster] The glaive which he did wield. --Spenser. [1913 Webster]