besague

noun3

1. •
   A kind of double-bladed axe.

   • These were clearly different from the besague (an axe with two edges) described in the Glossaries of Meyrick and Carpentier, in v. Besogium. — 1840
2. •
   A plate (as of armor) that protects an otherwise-exposed area, such as the armpit (alternative form of besagew), the elbow, or the hand
3. •
   A kind of martel or war-hammer, with its head(s) shaped like a pick, mattock, or beak.