glaive

Webster's Dictionary (GCIDE)

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]